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Helifix Case Studies

Helifix’s range of solutions can be applied to many types of masonry and buildings.
Our 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, Helifix 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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Churches

Helifix have considerable experience of offering reliable and sympathetic solutions to churches to ensure they retain their aesthetic appearance while being structurally secured for future generations.

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Thermal movement cracking to church overcome

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

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Cracked and separating masonry secured at St. Francis Church

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

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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.

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Major structural repairs to Grade A listed Church

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

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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.

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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.

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Limestone Pinning, Christchurch

Following the 22 February 2011 earthquake and subsequent partial collapse of the Cathedral, a method had to be quickly devised and implemented to improve the strength of connection between the cladding and the volcanic stone.

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Commercial

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

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Crack Stitching, Christchurch

The pictured two storey brick building was seismically retrofitted in 2007. Alterations to the internal layout were made. Selected internal

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Earthquake Repair, Canterbury

Cracks in the brickwork were stitched using the Crack Stitching system.

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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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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.

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Listed Buildings

By their very nature, these significant buildings are often suffering from various structural problems and require reliable and sympathetic solutions that leave the structure secured but visually unaltered.

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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.

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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.

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Major structural repairs to Grade A listed Church

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

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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.

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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.

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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.

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Tudor Grade I Listed Mansion Structurally Reinforced

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

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Public Buildings

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

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Rusted Wall Ties at the Boot Camp

The DryFix remedial wall tie system has been used to repair buildings at the former artillery school in Manly, New South Wales.

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Intricate Brickwork

The architects behind this new development at Sydney’s Mater Hospital complex envisaged a striking building encased in seamless brickwork, unspoiled.

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Façade Strengthening, Dunedin

As part of a comprehensive strengthening program scheduled to run over at least the next decade, DryFix were used to tie the two whythes of the building’s second floor unreinforced masonry (URM) wall.

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Residential

For decades, masonry repair specialist Helifix 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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Kirribilli Movement

Movement and deterioration of some component elements in this apartment block resulted in the need for some substantial refurbishment and an opportunity to revamp some of its key architectural features.

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Façade Repairs, Manly, NSW

The DryFix system was called upon to retie the majority of the buildings cavity brickwork.

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Repairs at Blues Point

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.

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Residential: New Build

Since its inception, Helifix has developed highly regarded special purpose new build ties which help to secure walls, panels and timber frames.

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Roman arches turn curly

HeliBars were used to strengthen a series of intricate, shallow brick arches along the southern face of this newly constructed building in Curl Curl, Sydney.

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And the winner is…HeliBar

How to cost-effectively and reliably reinforce square masonry arches to resist cracking from likely foundation movement.

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Seismic Upgrade

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Crack Stitching, Christchurch

The pictured two storey brick building was seismically retrofitted in 2007. Alterations to the internal layout were made. Selected internal.

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Strength in New Zealand

Using a range of Helifix remedial systems, structural integrity was re-introduced into this building, situated in central Auckland, and strength added in anticipation of future seismic events.

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Facade Strenthening, Dunedin

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Limestone Pinning, Christchurch

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Historic New Regent, Christchurch

DryFix ties were installed to several buildings to secure the outer masonry leaf to the inner brickwork which contributed to the performance of these buildings during the February 2011 earthquake.

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