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Case Studies showcasing Helifix Products

Our range of solutions can be applied to many types of masonry and buildings.
Case studies are split into industry sectors to make it easy to find a similar project
to that of your own requirements.

Bridges

Following extensive research at the TRL, we have developed a range of innovative solutions for the maintenance and strengthening of brick and stone masonry bridges, viaducts and tunnels.

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Aesthetic repairs secure cracked masonry arch

With the fully concealed repair completed, structural integrity was restored to the arch with its visual appearance unaffected.

Strengthened bridge meets EU load standards

Smithy Bridge was strengthened using Helifix fixings to accept full highway loadings and comply with EU regulations.

Historic Lymm Bridge Stabilised

The historic Lymm bridge was fully stabilised and strengthened by Helifix products with no visible signs of the concealed non-disruptive repairs.

Ancient monument stone bridge restored

A bridge built in 1792 was fully restored with concealed repairs, visually unaltered, and approved by Gloucestershire Highways and English Heritage.

Weak Grade II listed stone bridge repaired

A bridge over a river in Somerset had become weakened. Helifix products were used to quickly and cost-effectively restore the heritage structure.

Natural stone bridge repaired

This natural stone bridge carries a road over the Dulais waterway. Helifix concealed products and strengthening left the bridge visually unaltered.

Bridge strengthening increases load capacity

The concealed repairs and strengthening enabled the weight restriction to be increased, from 7.5 tonnes to a 40 tonne load carrying capacity.

Canal bridge repaired and strengthened

A burst water main caused movement of the spandrel and parapet walls together with separation between the arch barrel and the voussoirs.

Grade II listed railway viaduct

Long-term effects of normal wear and tear, compounded by a shallow depth of fill above, caused structural faults in this seven span viaduct.

Heritage Buildings & Churches

Leviat have considerable experience of offering reliable and sympathetic solutions to churches and listed buildings. By their very nature, these significant buildings are often suffering from various structural problems and it is important to ensure they retain their aesthetic appearance while being structurally secured for future generations.

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Grouted anchors avoid masonry damage

At the Minny Street Chapel, SockFix grouted anchors were chosen to secure the piers and portico and prevent any further movement.

Thermal movement cracking to church overcome

A large extension to a church had developed extensive cracking following thermal and moisture related shrinkage.

Cracked and separating masonry secured

Water was wearing away the mortar bond between the outer brickwork and the inner concrete wall over the front gable.

Repairs to earthquake damaged church

A 130 year old church was suffering from severe structural damage. The building required sympathetic stabilisation using the concealed HeliBeam System.

Major structural repairs to Grade A listed Church

Spalling concrete from internal arches, cracked masonry, failure of masonry supporting dome and weak concrete.

Parish church sympathetically stabilised

HeliBars were installed above the upper windows to secure the gable and below the windows to stitch cracks in the Parish Church.

Delaminated roof beams of 1868 church

A DryFix pinning and tying system was provided for a fast, effective, economical and totally concealed solution to the delamination of its elaborate and attractive roof beams.

Integrity restored to historic listed tower

The Helibeam System was specified as it is a proven method of creating reliable concealed repairs and has a successful record of being used on listed buildings.

Concealed crack stitching on listed almshouse

Having undertaken a structural survey, crack stitching using bonded HeliBars was proposed to restore the building’s structural integrity.

SockFix anchors restore structural integrity to historic chateau

The walls of a period chateau were suffering from cracking and bowing, Helifix products restored structural integrity.

English Heritage approves Grade 1 Listed Repairs at Roehampton House

Helifix Grade 1 listed masonry repairs were approved by English Heritage as part of the multi-award winning restoration.

Non-disruptive lintel creation on Bristol North Baths

The non-disruptive Helifix masonry repair system was used to create window openings as part of the Grade II Listed Bristol North Baths refurbishment.

Concealed Crack Stitching at Grade I Listed Somerset House

Where a boathouse was removed, Helifix crack stitching was specified to address subsequent cracking of five internal cross walls on the Grade I listed building.

Derelict 1867 Grade II Listed Warehouse Conversion

An extensive refurbishment and conversion of the 1867 warehouse required structural stabilisation of the brickwork with Helifix concealed repairs.

Repairs to Grade II Listed Rubble Filled Stone Walls

1740 Grade II listed public house with rubble filled stone walls suffering structural faults, masonry cracking, leaning and bulging walls is repaired.

Tudor Grade I Listed Mansion Structurally Reinforced

Leviat’s experience and expertise in sympathetically repairing historic buildings is displayed in the reinforcement of Tudor Grade 1 listed mansion.

Structural Repairs to Grade A Historic Scotland Mansion

17th Century Grade A listed mansion in Scotland is structurally repaired by Leviat with expertise of sympathetic masonry repairs to heritage buildings.

Structural Repairs to Grade II Listed 18th Century Cottage

Repair of Grade II Listed 18th Century stone built cottage suffering from cracking, movement and bowing.

Complete renovation of Grade I Listed Georgian townhouse

The renovation of listed 1714 Georgian Townhouse using Helifix structural repair techniques.

Structural stabilisation to listed 16th century building

Settlement of rubble fill had caused half of a stone wall to bulge in a listed 16th century building.

Restored Grade II Listed Engine House

Built in 1886 and closed in 1964, this building suffered cracked masonry and failed arches. Now structurally secure using Helifix masonry repair products.

Heartlands listed heritage site restored

The historic Robinson's Shaft buildings of a former Cornish tin mine have been sympathetically restored using Helifix structural repair systems.

Listed farm buildings structurally stabilised

Due to their listing and historic significance, these structural repairs needed to be sympathetic, effective and fully hidden in order to retain their aesthetic appearance.

Insurance backed structural stabilisation

This early 19th century offices and munitions stores built for the Royal Ordance was converted into high value residential properties from 2-3 storey listed buildings.

English heritage listed country house

Sympathetic structural repair techniques to exisiting materials, visibly unobtrusive with minimum disruption to the host fabric whilst restoring full integrity.

Grade 1 listed chimney

A Timber framed building with various structural problems and planning permission conditional on the retention of architecturally significant Grade I listed chimney, incorporating baker's oven.

Delicate repairs stabilise listed stone buildings

A historic Grade II listed hotel and public house undergoing extensive refurbishment and extension, including the conversion of listed stone outbuildings.

Major repairs stabilise historic pump house

Next to the historic Thompson Graving Dock, the huge dry dock in which the Titanic and its sister ship Olympia were both fitted out, there is a large pump house which was suffering from a range of structural faults.

Hidden repairs retain stone cottage aesthetics

Repairs to the front elevation of a Grade B 19th century listed property needed to be extremely sympathetic leaving the building unaltered.

Arch sympathetically reinstated at 'Ally Pally'

A fully engineered design was created by Helifix to strengthen and tie three arches together as a permanent solution, addressing both structural and aesthetic requirements.

Sympathetic repairs stabilise granite lintels

Sympathetic Helifix repairs and installation techniques were used to stabilise granite lintels suffering from historic settlement at Bon Accord Free Church, Aberdeen

Hidden sympathetic repairs for listed brewery

Effective sympathetic repairs restored integrity to a Grade II listed traditional Victorian Tower Brewery in Oxfordshire

SockFix anchors secure listed façade to floor slabs

Helifix structural repairs were devised using SockFix grouted stainless steel anchors in order to tie the brick façade to the new interior concrete floors

Complex hidden repairs secure listed farmhouse

With listed building consent obtained, Helifix was chosen to undertake the complex repairs due to its experience with lime mortar buildings, concealed installation techniques and ability to retain original materials.

SockFix grouted anchors provide lateral restraint

This Grade II listed period cottage was struggling to find a new owner due to the number of repairs required.

Concealed HeliBars stabilise listed stone ruins

Concealed HeliBars were used to retain the historic listed ruins of a former farm house and incorporate them into a new modern barn conversion.

Hidden repairs secure picturesque church tower

The historic village church of St Mary the Virgin, built in 1842, was suffering from vertical cracking on the south and west facing elevations of the clock tower.

Commercial

Commercial buildings, such as offices, factories and warehouses often need to remain fully operational throughout the contract period. Leviat provide a rapid installation service which keeps disruption to a minimum.

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Taking down and rebuilding costs are avoided

After a thorough inspection, Helifix decided the front elevations could be fully stabilised without any reconstruction

Integrity restored to historic listed tower

The Helibeam System was specified as it is a proven method of creating reliable concealed repairs and has a successful record of being used on listed buildings.

Concealed crack stitching on listed almshouse

Having undertaken a structural survey, crack stitching using bonded HeliBars was proposed to restore the building’s structural integrity.

SockFix anchors restore historic chateau

The walls of a four storey period French chateau were suffering from cracking, bowing and bulging, Helifix masonry repair systems restored structural integrity.

Demolition proceeds after gable wall secured using SockFix

SockFix allows dilapidated Victorian three storey buildings to be demolished to make way for new retail units.

Exterior Structural Restoration of Wolfe Tone House, Dublin

Once suffering from dangerous falling masonry, this large period building’s structural integrity was restored using a variety Helifix repair techniques.

Bulging wall of Category A Listed Georgian property repaired

Suffering with a severe bulge at the pilaster and required stabilising, a Helifix repair specification was devised.

Structural stabilisation to listed 16th century building

Settlement of rubble fill had caused a wall to bulge in a listed 16th century building which needed stabilising using Helifix repair methods.

Leaning brick panels reconnected

Although only some 25 years old, due to the use of incorrect wall ties during construction the outer leaf brick panels on this large commercial building were leaning outwards.

Failed and spalling masonry made safe

Herbert House, a 3 storey office block was suffering from cracking and crushing of the front elevation brickwork and movement / cracking of its high level lintels.

Asymmetric ties secure cladding panels

During an external refurbishment of 3 multi-storey blocks, engineers had concerns about the original fixings for the stone cladding on the columns and beams.

Multi-storey cladding panels re-secured

Following structural inspection this car park suffered with cladding panel wall ties of poor condition and insufficient support at the nibs at each floor of the concrete frame.

Lintel and sill repairs to 1800’s red sandstone

Three storey building had suffered from subsidence. Movement to both of the front elevations had caused structural damage to the windows’ lintels and sills.

Secured walls allow store expansion to proceed

Using RetroTie remedial wall ties and SockFix grouted anchors, Helifix devised an efficient solution that respectively connected the leaves of the external wall and reliably secured the wall plate to the rubble walls.

Clerkenwell Road A 446x300

Rapid wall stabilisation avoids contract delays

A remedial programme was rapidly devised using a combination of Helifix masonry repair and reinforcement systems.

Major repairs stabilise historic pump house

Next to the historic Thompson Graving Dock, the huge dry dock in which the Titanic and its sister ship Olympia were both fitted out, there is a large pump house which was suffering from a range of structural faults.

Converted Properties

A range of solutions have been provided to ensure the needs and deadlines of demanding conversion projects are met.

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Risk of disproportionate collapse is avoided

Conversion of the former Wiltshire Police HQ into the new South Wiltshire University Technical College was completed using HeliBar and SockFix.

SockFix anchors avoid arch reconstruction

A concrete arch deemed a ‘Dangerous Structure’ by Somerset County Council was secured by the cost-effective, non disruptive SockFix grouted anchor system.

Demolition proceeds after gable wall secured using SockFix

A number of dilapidated Victorian three storey buildings were to be demolished to make way for some newly constructed retail units.

Derelict 1867 Grade II Listed Warehouse Conversion

An extensive refurbishment and conversion of the 1867 warehouse required structural stabilisation of the brickwork with Helifix concealed repairs.

Structural repair of stone cottage and barn for conversion

To convert a 150 year old stone cottage and adjacent barn into a luxury holiday home, it required a variety of Helifix structural repairs.

18th Century Sandstone Stables Conversion

Historic sandstone stables being converted into tearooms required structural repairs to a cracked gable end wall.

Stone barn retained – the invisible house

Channel 4’s ‘Grand Designs’ featured Helifix masonry repair techniques being used to retain a 300 year old dilapidated stone barn in the Cotswolds.

Dilapidated barn made fit for conversion

1st Floor timbers were rotten, the walls had lost lateral support and were bowing and leaning and, the gable end had rotated and separated from the main structure.

Former school secured prior to conversion

This 6 storey Victorian building had suffered from thermal movement, lintel failure and bond failure of its solid brick and stone walls resulting in assorted cracking.

Barn conversion structural faults overcome

A 100yr old dilapidated brick barn, suffering from structural faults, needed to be stabilised prior to its conversion into a modern private residence.

Renovation of blacksmiths to new home

Helifix engineers produced a designed repair programme to stitch the cracks and secure existing masonry, tie to the new build sections and avoid potential future movement.

Lintels created for new windows

A 150ft listed water tower required the existing brickwork to be retained and reinforced to allow the creation of lintels for new window openings on all 11 floors.

Structural stabilisation of 4 conjoined properties

Dating back to 1725, these registered buildings were all suffering from cracked, separated and unstable walls due to age and alterations.

HeliBeam system saves time and money

A former factory warehouse needed to be stabilised prior to its conversion into office and living accomodation. Alterations over the years had caused extensive problems.

Insurance backed structural stabilisation

This early 19th century offices and munitions stores built for the Royal Ordance was converted into high value residential properties from 2-3 storey listed buildings.

100 year old building made structurally sound

This former nursing home was suffering from settlement, structural cracking and separated lintels.

Luxury residential conversion of 1814 Mill

With Helifix concealed, non-disruptive techniques, expensive underpinning was avoided and the mill was fully stabilised with no significant rebuilding.

High-rise Buildings

Leviat are able to offer solutions which limit the disruption to the operations of high-rise buildings by ensuring, wherever possible, the vast majority of work is undertaken on the external side of the property.

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Crack stitching restores integrity to Northolt flats

Two blocks of flats in Northolt, London suffering from significant cracking were repaired using the Helibeam system and CemTies.

Demolition proceeds after gable wall secured using SockFix

A number of dilapidated Victorian three storey buildings were to be demolished to make way for new retail units.

Helifix provide efficient lintel creation for Trulock Court

An absence of lintels was a problem when Trulock Court underwent a window replacement programme.

Tower of flats repaired following masonry collapse

A 1900’s Union Mill had been refurbished and converted into residential flats. Water ingress lead to a severe bulge in a wall.

Lintels created for new windows

A 150ft listed water tower required the existing brickwork to be retained and reinforced to allow the creation of lintels on 11 floors.

Outer leaf brickwork panels secured on Edward Woods Estate

High winds caused part of the external brick panel on 1 tower block to become detached and fall due to failed wall ties.

Multi-storey cladding panels re-secured

Following structural inspection this car park suffered with cladding panel wall ties of poor condition and insufficient support at the nibs at each floor of the concrete frame.

Stabilising parapet walls on tower blocks

Following the collapse of a 3m parapet wall on a tower block, a survey of 6 blocks revealed insufficient wall ties, loose Copings, cracking and delamination.

Micro-Piles

Backed by considerable structural engineering experience and expertise, Helifix Dixie micro-piles provide a technically advanced solution to the problems of subsidence and foundation settlement. These innovatively designed pipe piles offer a far more cost effective and non-disruptive means of stabilisation than traditional methods of major piling or mass underpinning.

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School is fully stabilised in 7 days

Atkins designed a repair scheme using Helifix Dixie micro-piles and Helibeam System, to overcome the subsidence problems and secure the damaged masonry.

Dixie micro-piles provide major cost savings

Dixie micro-piles enabled an exposed walkway to be rapidly and cost-effectively upgraded and widened at a 700 seat open air amphitheatre, carved into a cliff face near Lands End.

Micro-piles halt further property subsidence

Operating in cramped conditions, the Dixie micro-piles were rapidly installed to stabilise the property and restore structural integrity to this two storey mid terrace property.

Subsiding property fully stabilised and repaired

A combination of Dixie micro-piles, to support the foundations, and the Helibeam System, to secure the damaged masonry, were specified.

Dixie piles rapidly stabilise subsiding properties

Helifix devised a suitable repair scheme using its Helibeam System and Dixie micro-piles to overcome the subsidence problems.

Social housing gets strong support from Helifix Micro-Piles

Helifix Micro-Piles provided a rapid, economical solution when progressive subsidence was identified at 19 housing association properties in Stockport.

Foundations and superstructure stabilisation at Hathaway Close

Helifix micro-piles successfully stabilised the subsiding foundations of Hathaway Close a two storey block of flats built in 1969.

Piles stabilise subsiding gable wall

Builders constructing a new two storey extension found cracking in the existing gable wall which indicated subsidence and required stabilisation using a micro-pile system.

Hartley Close Properties Get Support from Helifix

To stabilise 18 subsiding two storey housing association properties in Liverpool Helifix Dixie micro-piles were provided as the most rapid and reliable solution.

Dixie micro-piles rapidly stabilise L.A. homes

As a result of foundation movement, these semi-detached, local authority properties were suffering from damage to both the front and rear elevations.

Expensive taking down and rebuilding avoided

Helifix Dixie micro-piles provided the ideal solution to the subsidence as they are effective to much greater depths than traditional mass underpinning.

Winning garden supported by Dixie micro-piles

TEMPORARY STRUCTURAL SUPPORT. Best Show Garden at the 2017 Chelsea Flower Show was supported by micro-piles before being dismantled.

Non-disruptive pile foundations avoid problems

NEW-BUILD EXTENSION. Micro-piles were used to support a single storey rear extension to avoid damage to tree roots.

Dixie micro-piles rapidly stabilise conservatory

Micro-piles were a cost-effective and reliable means of supporting and stabilising a conservatory built on made-up retained ground.

Public Buildings

Public buildings, such as schools, hospitals and museums often need to remain fully operational throughout the contract period. Leviat provides a rapid installation service which keeps disruption to a minimum.

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School is fully stabilised in 7 days

Atkins designed a repair scheme using Helifix Dixie micro-piles and Helibeam System, to overcome the subsidence problems and secure the damaged masonry.

Integrity restored to historic listed tower

The Helibeam System was specified as it is a proven method of creating reliable concealed repairs and has a successful record of being used on listed buildings.

Concealed crack stitching on listed almshouse

Having undertaken a structural survey, crack stitching using bonded HeliBars was proposed to restore the building’s structural integrity.

SockFix anchors secure moving gable end wall

Helifix engineers devised a repair scheme that would stabilise the moving gable end wall of a 150 year old semi-detached stone cottage in Wales, using SockFix grouted anchors.

Grouted sock anchors help secure gable wall

A combination of Helifix products were used including BowTies, CemTies, HeliBars and, for the first time in this application, SockFix grouted anchors.

Dixie micro-piles provide major cost savings

Dixie micro-piles enabled an exposed walkway to be rapidly and cost-effectively upgraded and widened at a 700 seat open air amphitheatre, carved into a cliff face near Lands End.

Rubble-filled library wall secured by SockFix for new openings

SockFix grouted sock anchors were chosen to stabilise the 760mm thick rubble-filled walls of a library in Glasgow.

Rapid response provided at Bude Fire Station

Due to failed wall ties Bude fire station was suffering from cracking, the Helifix Crack Stitching Kit provided a concealed, non-disruptive repair.

DryFix is the solution for wall tie corrosion at K College

Suffering from wall tie corrosion and a lack of wall ties, the DryFix tie was used in a cost effective and successful wall tie replacement programme.

18th Century Sandstone Stables Conversion

Historic 18th Century Sandstone stables being converted into tearooms required delicate, expert structural repairs to a cracked gable end wall.

Cracked unstable parapet walls repaired and secured

Historic 18th Century Sandstone stables being converted into tearooms required delicate, expert structural repairs to a cracked gable end wall.

Ground anchors secure clay bank whilst building retaining wall

Whilst the building of a new retaining wall took place, Helifix Ground Anchors were installed to retain the clay ground bank safely and cost effectively.

Structural integrity restored to housing community centre

Smallbrook Gardens Community Centre in Ross-on-Wye was suffering from extensive cracking both internally and externally due to subsidence.

Helifix repairs put language college back on course

Helifix repaired cracking and displacement in a bay window which had caused shallow arch failure making it dangerous and liable to collapse.

Historic granite sea wall stabilised

Due to age and the sea tides, granite blocks in this historic sea wall had become loosened. Helifix concealed repair techniques were used for the repair.

Absent wall ties causes unstable brick panels

Suffering from cracking to its brick panels, investigations of this building found that there were no wall ties in the cavity panels or any significant tie-in to the columns.

Heartlands listed heritage site restored

The historic Robinson's Shaft buildings of a former Cornish tin mine have been sympathetically restored using Helifix structural repair systems.

Separating riverside elevation secured

Registered as a ‘Building of Local Interest’ this project required major structural stabilisation to secure its west elevation which was separating from the main structure.

Cracking of calcium silicate brickwork

Shrinkage of bricks over time and lack of any movement joints across the five properties, combined with some deflection of the support beams, caused masonry cracking.

Town hall failed arch is secured

Due to initial poor construction and subsequent roof spread, the arch had failed and was later filled in to prevent any significant masonry collapse. Helifix re-opened this.

Asymmetric ties secure cladding panels

During an external refurbishment of 3 multi-storey blocks, engineers had concerns about the original fixings for the stone cladding on the columns and beams.

Large pitched roof secured on new school

This school with maximum wind exposure, required a reliable high performance fixing that would resist all loadings while supporting the laid tile weight of 50Kg/sqm.

Multi-storey cladding panels re-secured

Following structural inspection this car park suffered with cladding panel wall ties of poor condition and insufficient support at the nibs at each floor of the concrete frame.

Stabilisation of college theatre

A concrete slab under an area of the theatre had settled causing sideways thrust. Resulting in an outward bowing wall, progressive movement and vertical cracking.

Structural integrity restored to stone house

Built in the 19th century, the load bearing solid external walls of The School House were constructed from locally sourced stone with lime mortar. Incorrect tying of the internal cross walls to the external walls had resulted in lateral movement and a 50mm wide crack.

Dixie micro-piles used to support statue plinth

Dixie micro-piles were used to support the of Air Chief Marshal Sir Keith Park statue as a cost-effective and reliable alternative to traditional concrete methods.

SockFix grouted anchors secure sluice wall

A repair scheme was devised using SockFix, after the pressure of the Humber estuary's tidal actions caused outward displacement of blocks in the side wall

Residential

For decades, our specialist masonry repair products have been helping homeowners overcome all types of structural faults – from failed wall ties and sagging lintels to bowing and separated walls and subsidence related problems.

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Micro-piles halt further property subsidence

Operating in cramped conditions, the Dixie micro-piles were rapidly installed to stabilise the property and restore structural integrity to this two storey mid terrace property.

Structural integrity restored to HA properties

With minimal disturbance to the building fabric or the occupants, the housing association properties were structurally secured but visually unaltered.

Free-standing façade efficiently secured

Following the demolition of terraced buildings to enable a new housing development, it was discovered that the adjacent, formerly attached property had a new facade.

Structural integrity restored to Victorian house

Helifix designed a repair programme, using its concealed installation techniques, that secured the masonry and restored structural integrity.

Remedial ties secure timber framed properties

The new remedial ties secured the connection between the brick outer leaf and the timber stud and also increased the load bearing capability of the wall.

Character of historic stone buildings is retained

A programme of appropriate repairs was devised to stabilise the outbuildings, using Helifix remedial products with their concealed installation.

Subsiding property fully stabilised and repaired

A combination of Dixie micro-piles, to support the foundations, and the Helibeam System, to secure the damaged masonry, were specified.

Taking down and rebuilding costs are avoided

After a thorough inspection, Helifix decided the front elevations could be fully stabilised without any reconstruction.

Dixie piles rapidly stabilise subsiding properties

Helifix devised a suitable repair scheme using its Helibeam System and Dixie micro-piles to overcome the subsidence problems.

Crack stitching restores integrity to Northolt flats

Two blocks of flats in Northolt, London suffering from significant external wall cracking were repaired using the Helibeam system and CemTies.

SockFix anchors avoid arch reconstruction

A concrete decorative arch built to span a public footpath was deemed a ‘Dangerous Structure’ by Somerset County Council was secured by the cost-effective, non disruptive SockFix grouted anchor system.

Social housing gets strong support from Helifix Micro-Piles

Helifix Micro-Piles provided a rapid, economical solution when progressive subsidence was identified at 19 housing association properties in Stockport.

Foundations and superstructure stabilisation at Hathaway Close

Helifix micro-piles successfully stabilised the subsiding foundations of Hathaway Close a two storey block of flats built in 1969.

Helifix provide efficient lintel creation for Trulock Court

An absence of lintels was a problem when Trulock Court underwent a window replacement programme but Helifix provided a rapid, non-disruptive solution.

Collapsed homes built on top of mines structurally repaired

Homes built on top of 18th & 19th century mines suffering partial collapse with dangerous threat of further danger are structurally repaired and stabilised.

Repair and renovation of Georgian town house in Dublin

Renovation plans to modernise and upgrade a three storey 19th century Georgian town house involved major structural alterations and repairs.

Structural repairs to solid masonry walls of farmhouse

An early 20th century farmhouse with solid masonry walls bowing and separating due to shrinkage and deterioration was repaired using the Helibeam System.

New gable wall built without wall ties is rapidly secured

A structural survey discovered a new 4 storey gable end wall was built with no wall ties or form of lateral restraint connecting the inner and outer leaves.

Thin and weak galvanised wall ties replaced

Thin galvanised wall ties susceptible to corrosion, with limited tensile properties caused gable movement and masonry cracking.

Repair of rubble-filled brick walls with lime render

A 19th century Irish country house built with rubble-filled walls and lime render required major restoration and repairs to solve various structural faults.

Basement conversion of Georgian property adds space

Before converting a basement cellar into additional living space, the cracking to the structural walls needed to be repaired using Helfix repair techniques.

Structural masonry repairs to 18th century building

Helifix repairs in Ireland provided permanent and aesthetic lateral restraint in place of unsightly corroding steel beams, temporarily bracing the property.

Sarah Beeny uses ‘super strong’ BowTies

Renovation work had uncovered severe structural decay in a Victorian end of terrace. Concealed Helifix repairs effectively stabilised the property.

Dangerously unstable gable wall secured

While an extension was being built at the rear of a two storey end of terrace property in Oxford, serious structural issues were discovered affecting the side wall gable elevation.

Lateral movement stabilised on new house

Loss adjusters acting for the owner’s insurance company, asked Helifix to devise a repair scheme to secure the stonework and prevent further movement.

Bowing and cracking of 200 year old property repaired

As a result of having a third floor added 100 years ago, a 19th century property was suffering from cracking and bowing.

Victorian properties structurally secured

Before a pair of semi-detached Victorian town houses could be converted into accommodation, a variety of structural faults needed to be rectified.

Lateral restraint of bowing gable wall

The gable wall on a privately owned semi-detached property was becoming unstable due to the lack of sufficient lateral restraint.

Stone cottage secured without disruption

Over 150 years old, this cottage had developed structural faults. It was suffering from distortion of the arch pier and masonry cracking in the archway walls.

Rethinking housing refurbishment at the BRE

This flagship BRE project looked at ways in which housing renovation methods could be improved.

Piles stabilise subsiding gable wall

Builders constructing a new two storey extension found cracking in the existing gable wall which indicated subsidence and required stabilisation using a micro-pile system.

Historic farmhouse made structurally secure

An historic 16th century farmhouse was suffering from a variety of structural faults, and needed to be ‘invisibly’ repaired and fully stabilised.

Subsidence repairs avoid the need for underpinning

2 Adjacent properties had suffered from subsidence related structural problems and, while unoccupied, had experienced further damage and vandalism.

Repairs to 200 year old stone cottage

This cottage had suffered historic subsidence, caused by a lack of foundations and the excavation of a cellar at the rear, resulting in major structural faults.

Stabilising gable end walls

14 Properties on a housing estate were suffering from a lack of lateral restraint to their single gable end walls causing outward bowing of the walls and cracking.

Home insurance backed 10 year guarantee

This property built on the side of a steep hill of clay overlaying rock, was suffering from masonry cracking due to widespread ground movement.

Major stabilisation for redevelopment scheme

Underpinning can be time consuming, disruptive and expensive. Helifix Engineers devised a structural repair scheme to stabilise properties saving £150,000.

English heritage listed country house

Sympathetic structural repair techniques to exisiting materials, visibly unobtrusive with minimum disruption to the host fabric whilst restoring full integrity.

Grade 1 listed chimney

A timber framed building with various structural problems and an architecturally significant chimney and bakers oven, required sensitive stabilisation to prevent its collapse during underpinning.

Expensive taking down and rebuilding avoided

Helifix Dixie micro-piles provided the ideal solution to the subsidence as they are effective to much greater depths than traditional mass underpinning.

Non-disruptive pile foundations avoid problems

Helifix Dixie micro-piles provided the ideal solution when nearby protected oak trees and access were issues.

Concealed repairs secure sandstone tenement

Combination of Helifix repairs left the building visibly unaltered, an important requirement in this designated conservation area.

SockFix anchors provide ideal lateral restraint

A combination of SockFix and other Helifix repairs were used for a non-disruptive repair to stitch cracks and consolidate rubble-filled walls.

SockFix anchors solve long standing problems

SockFix provides a reliable solution for a 150 year old brick and stone cottage where pattress plates have failed.

Hidden repairs retain stone cottage aesthetics

Repairs to the front elevation of a Grade B 19th century listed property needed to be extremely sympathetic leaving the building unaltered.

Concealed repairs provide consolidated solution

Helifix structural repairs were required that would reconnect cracked masonry, stabilise the bowing gable, secure the bay window and restore integrity.

Concealed repairs retain properties aesthetics

Helifix cost-effective, reliable and aesthetic repairs were required to stitch cracks, reinforce the masonry and reinstate the concrete window ‘frames’

Residential: Council / HA

Leviat fast-track solutions are reliable and cost-effective, extending the life of properties while saving both time and money and causing minimal inconvenience to tenants.

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Structural integrity restored to HA properties

With minimal disturbance to the building fabric or the occupants, the housing association properties were structurally secured but visually unaltered.

Remedial ties secure timber framed properties

The new remedial ties secured the connection between the brick outer leaf and the timber stud and also increased the load bearing capability of the wall.

Dixie piles rapidly stabilise subsiding properties

Helifix devised a suitable repair scheme using its Helibeam System and Dixie micro-piles to overcome the subsidence problems.

LA property fully repaired and supported

A semi-detached property suffering from extensive masonry cracking was successfully repaired using the Helibeam system.

Social housing gets strong support from Helifix Micro-Piles

Helifix Micro-Piles were the ideal solution when progressive subsidence was identified at 19 housing association properties in Stockport.

Hartley Close Properties Get Support from Helifix

To stabilise 18 subsiding two storey housing association properties in Liverpool Helifix Dixie micro-piles were provided as the most rapid and reliable solution.

Collapsed homes built on top of mines structurally repaired

Homes built on top of 18th & 19th century mines suffering partial collapse with dangerous threat of further danger are structurally repaired and stabilised.

Lintel reinforcement for council home window upgrade replacements

1970s Council homes receiving uPVC window upgrade replacements had insufficient masonry above the soldier course header bricks of the old window frames.

Homes to be demolished and rebuilt are rescued

A Council feared that it would need to demolish and rebuild a row of buildings which suffered various structural problems. Helifix high strength repairs fortunately avoided this.

Bulging wall of Category A Listed Georgian property repaired

This Category A listed Georgian Property suffered with a severe bulge at the pilaster and required stabilising. Helifix devised a repair specification.

Subsiding building threatened with demolition stabilised

Demolition and rebuilding was considered until Helifix proposed a cost-effective scheme to restore structural integrity with a 10 year warranty.

Tower of flats repaired following masonry collapse

An early 1900’s Union Mill had been refurbished and converted into residential flats. Water ingress lead to a severe bulge in a wall.

Empty uninhabitable homes structurally repaired and saved

To avoid expensive rebuilding of three uninhabitable properties, Helifix devised a structural stabilisation scheme enabling them to be occupied once more.

Cost-effective lintel creation for housing association flats

Housing association flats were lacking lintels above the doors and windows on their rear elevations causing cracking in the masonry.

Lintels secured for housing association flats

These flats and bedsits built in the 1980’s, had developed unstable soldier course lintels as the result of a poor design detail at the construction stage.

Separating stone quoins reliably secured

Only 20 years old, Woodlands Children’s Nursing Home was suffering from separation of the decorative stone quoins on the building’s corners due to rotational movement.

Wall tie replacement for housing association

Due to the uncertain condition of the concrete frame the housing association required an effective replacement wall tie providing a reliable, cost-effective connection.

Outer leaf brickwork panels secured on Edward Woods Estate

High winds caused an external brick panel to become detached and fall due to failed wall ties. The outer leaf brickwork had to be securely fixed.

Stabilising gable end walls

14 Properties on a housing estate were suffering from a lack of lateral restraint to their single gable end walls causing outward bowing of the walls and cracking.

Stabilising parapet walls on tower blocks

Following the collapse of a 3m parapet wall on a tower block, a survey of 6 blocks revealed insufficient wall ties, loose Copings, cracking and delamination.

Lintel creation for council housing

Calcium silicate brick houses suffered from masonry shrinkage, cracking and sagging of lintels above the windows following a window replacement programme 4 years earlier.

Dixie micro-piles rapidly stabilise L.A. homes

As a result of foundation movement, these semi-detached, local authority properties were suffering from damage to both the front and rear elevations.

Rapid, economical lintel repairs for H.A. homes

After undergoing door and window replacement programmes many years before, the existing support for the masonry above had become inadequate.

Residential: New Build

Since our inception, we have developed highly regarded special purpose new build ties which help to secure walls, panels and timber frames.

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Winning garden supported by Dixie micro-piles

Best Show Garden at the 2017 Chelsea Flower Show went to the M&G Garden, for which Helifix supplied some vital, but unseen, components.

Lateral movement stabilised on new house

Loss adjusters acting for the owner’s insurance company, asked Helifix to devise a repair scheme to secure the stonework and prevent further movement.

Securing wall and roof panels through insulation

This energy efficient house required structural to secure the insulation to the timber frame, without affecting its insulation properties.

Major stabilisation for redevelopment scheme

Underpinning can be time consuming, disruptive and expensive. Helifix Engineers devised a structural repair scheme to stabilise properties saving £150,000.

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Contact Us

The Mille, 1000 Great West Road, Brentford, London TW8 9DW

Main Telephone: +44 (0)20 8735 5200
Sales Telephone: +44 (0)20 8735 5222

Fax: +44 (0)20 8735 5201

Email: [email protected]

Office Opening Hours

Mon-Fri, 08:30 - 17:30

Modern Slavery Statement

© Leviat. Registered Number 210138

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