Case Studies

At Langley, we have already earned an enviable reputation for the exceptional standards of our roofing solutions and services. Our goal has always been to work in partnership with our contractors and deliver a high-quality, personalised service, based on our extensive range of high-performance system solutions and accessories.

Take a look at some of the great solutions we have been working on below. For further information on any of the case studies shown, please get in touch and our team will be able to help.

26/10/2018

St Pancras Way

Wind-driven rain had caused leaks through the roof of this residential building for many years, as the original aluminium profiled flat roof was not watertight. The building owner had had been experiencing problems with the roof over a long period, necessitating ongoing repairs on a regular basis. Having been recommended to the client, Langley was able to offer a solution to the problem, carrying out a full condition survey and presenting a bespoke design solution based on a Langley Liquid Roofing System. Langley Approved...

14/09/2018

Lanercost Close

Refurbishment of the flat roofs on this block of flats and adjacent bungalows was made more challenging by snow, and having residents on site throughout the project. Langley’s comprehensive condition survey revealed a deteriorating stramit deck on the buildings which had become saturated as a result of a failed waterproofing layer. This project is one of several in collaboration with Lambeth Council as part of their long term asset management planning. CWG Roofing Limited, a Langley Approved Contractor, demonstrated...

10/08/2018

Paddock School

An extensive roof condition survey was undertaken by Langley which identified numerous layers of waterproofing including a false plywood deck on tapered battens (firrings) installed directly above the original metal deck of this Special School. The complex build-up meant that the specification and design of the refurbishment was technically challenging, and required careful consideration. Langley’s TA-20 system with a bespoke tapered insulation scheme was selected as the best solution and Thameside Roofing Ltd, a Langley...

09/08/2018

Belhus Leisure Centre

The swimming pool roof of this leisure centre had been repaired several times, and suffered from intermittent leaks. In addition, the refurbishment of the pool area below required the installation of new air conditioning units, however the existing roof did not have the structural strength to bear their weight. Langley designed and specified a new, high strength metal deck as the base for a comprehensive waterproofing system, to support multiple plant installations and provide a durable roofing solution. Arc Group London...

09/08/2018

Linton Mead Primary School

Langley was commissioned to carry out a roof condition survey for a school which had suffered leaks to its three roofs for over 20 years. The resulting specification included innovative design to resolve a range of problems that the survey had identified. Langley’s design and specification made the roof accessible for maintenance purposes where previously some areas could not be reached at all. The design improved the drainage by raising the height of three box gutters. It also involved the diversion of internal rainwater...

30/07/2018

Tamar Way

Langley’s comprehensive survey provided confidence that the roofs of these four London housing blocks could be overlaid. Despite their poor condition and an accumulation of moss and gravel, the insulation layer was shown to be dry. An overlay was specified in preference to stripping back the roof to the deck as there is less waste created, which is a significant environmental benefit. It also enables the client to increase the insulation and extend the life of the roof with a renewed waterproofing system, for less...

19/06/2018

Alec Hunter Academy

Langley worked on this planned asset management roof refurbishment project, carried out in three phases, to update and give this academy a new lease of life. A comprehensive roof condition survey identified that some roofs could be overlaid, while others had some structural issues, including two decaying Trofdeck roofs which required completely stripping back and rebuilding from joists up. Refurbishment work was carried out in phases as part of a five year asset management plan for the academy, keeping disruption to a minimum and...

14/06/2018

Frogmore Junior School

Langley was selected to carry out a full condition survey of the flat roofs by Hampshire County Council, the design consultant and project manager for this installation. The work was part of a major upgrade to the buildings across the school’s estate. The roofs were found to be dry which enabled Langley to specify an overlay of the existing roof system as a cost-effective solution, extending the lifespan of the roofs without replacing them. Langley Approved Contractor Salnor Roofing Services Ltd carried out the work to an...

03/05/2018

Greystead Road

The decaying corrugated metal roof of this London housing block needed replacing and Langley was selected to install a RBM system, including a new plywood deck. Challenging details were handled expertly by Langley Approved Contractor Breyer Group Plc. The parapet walls were encapsulated with new plywood along with the new waterproofing system, and difficult detailing was required around a series of soil vent pipes which were located extremely close to the parapet wall. An additional hazard on the project was the proximity of...

01/05/2018

Howard Court

A Langley specification was chosen for this residential block in Cambridge as it met the design criteria while remaining cost-effective. Additional budget sensitivities needed to be considered due to the project being funded by the residents. The existing structural deck was very fragile, being constructed of compressed stramit strawboard. Langley Approved Contractor, Acclaim Contracts Ltd, strengthened the existing deck with structural plywood. They successfully installed a new Langley TA-20 RBM system including new access...

01/05/2018

77 West Street Bedminster

The rooftop walkway and patio areas of this residential block in Bedminster required stripping back to the deck and renewing, as they had started to leak into the flats below. Langley’s TA-20 system was specified, and any possible fire risk was avoided by using SA-20 next to any potentially flammable wall cladding, in line with the NFRC’s Safe2Torch initiative. Langley Approved Contractor, Central Roofing & Building Services Ltd, carefully removed, stored and re-instated the bespoke metal capping on the parapets,...

04/04/2018

British American Tobacco

Langley was commissioned to replace the defective flat roofs on Building 23, the global Research and Development facilities for British American Tobacco. The site remained live during the project, so security was paramount and it was particularly sensitive to disruption. A full condition survey was carried out by Langley, in conjunction with TSL, a Langley Approved Contractor, who then installed the specified waterproofing system with meticulous care. Plant and air conditioning units on the roofs were fully operational throughout...

08/02/2018

Hillsborough Court

Langley was selected to provide a warm roof specification for the upgrading of the existing uninsulated roof to comply with current regulations. The existing stone parapet wall to the front of the building proved challenging with custom drawings required for the flashing to prevent damage to the stonework. There was also unusual detailing on a new glazed area covering a communal walkway adjacent to the roof. The refurbishment was completed by Langley Approved Contractor GWS Roofing & Loft Specialist Ltd to an excellent...

05/10/2017

Ridding Close

Langley was selected to assist in the roof refurbishment of this residential project in collaboration with Southampton City Council. A thorough bespoke roof condition survey and report were prepared with recommendations provided for an improved waterproofing solution of the main roof of this housing block. Additional assessments included core sample analysis which indicated the presence of moisture in the existing RBM overlay of the original asphalt roof. Langley fully assessed and deemed the integrity of the original asphalt to...

05/10/2017

Ings Road Retail Park

Langley was selected to assess and report on the condition of this extensive commercial metal roof. Langley  worked alongside 2110 Consult chartered surveyors to undertake an in-depth assessment and provide a fully comprehensive condition survey report which outlined recommendations for an improved waterproofing solution. Tucker and Tunstalls Limited, an Approved Langley Contractor, was selected for their expertise as the roof presented a challenging installation with several varying rooflight arrangements around which they...

05/10/2017

Ottershaw Infant School

Langley was selected by Surrey County Council to assess their roof and produce a comprehensive condition report and specification. Inadequate drainage of the existing roof system caused significant internal leaks with ponding water adding additional stress to the building. Langley recommended stripping the existing covering to expose the structural deck and install a TA-20 warm roof system with tapered insulation to improve the thermal efficiency of the roof. Ottershaw Infant School fully utilised Langley’s free survey...

04/10/2017

University of Sussex

Langley worked closely with the University of Sussex and their chosen consultant BLB Chartered Surveyors, to undertake a comprehensive survey of the University estates existing roofs. Both detailed and bespoke reports, including accompanying budgets, assisted in identifying areas requiring attention and suggested suitable solutions. Heartfelt Roofing Ltd, an Approved Langley contractor worked quickly to deliver the specified flat roofing solution. They delivered a high-quality finish and considerate level of service throughout...

04/10/2017

Walsh C of E Junior School

Langley was selected by Surrey County Council to assess their roof and produce a comprehensive condition report and specification. Inadequate drainage of the existing roof system caused significant internal leaks with ponding water adding additional stress to the building. Walsh C of E Junior School fully utilised Langley’s free survey, condition report and bespoke design service to assist in the specification of a suitable waterproof system. Langley Approved Contractor, Breyer Group, was selected and competently...

29/06/2017

Sturton By Stow Primary School

Langley was selected to provide a cost effective and thermally efficient alternative roofing solution to this school’s expensive copper sheeting which had reached the end of its natural life. Langley were able to specify a high performance copper foil faced bituminous membrane. The building is situated in a conservation area and the specified waterproofing system was subject to several additional approvals to ensure it was aesthetically acceptable. Langley provided detailed survey and condition reports to assist in the...

27/06/2017

Whitehouse Primary School

Collaborating with Wilmott Dixon’s design team, Langley assisted in specifying a robust long term waterproofing roof solution for this new educational building. A major consideration was to ensure that the school roof could adequately withstand additional weight and foot traffic as a result of a PV system. The entire roof design incorporated contrasting demarcated walkways offering prominent safety guidance for a lanyard fall system. Ice Roofing and Cladding Limited, a Langley  Approved Contractor, was selected to...

27/06/2017

Durdham Court

Langley was commissioned  to assist with the asset management programme on behalf of an estate management company. Langley undertook a full roof survey and produced a free comprehensive condition report detailing existing roof build up, thermal performance, roof defects and design considerations. After testing that the existing roof was suitable for overlaying,  Langley recommended a TA-20 warm roof system with insulation to improve the thermal efficiency ensuring that the roof, including new rooflights, achieved Part L...

27/06/2017

Whitehall Riverside Hotel (Premier Inn, Leeds)

Langley was selected to specify a roofing solution for this new inner city hotel and worked closely with the client’s architect when specifying, from inception through to completion. Suitable roofing solutions were required across varying roof areas of the hotel, including provision for a living green roof and a solution that could withstand the additional weight and foot traffic from a PV system. Three roofing systems were specified comprising Reinforced Bituminous Membrane Roofing, Hot-Melt Roofing and Green...

08/12/2016

Kingsbury High School

When London’s largest high school approached specialist consultants Capita PCC to refurbish its facilities, Langley was called upon for the roof refurbishment element. Langley’s in-depth survey and report highlighted complications with the schools current drainage system and inefficient insulation. The roof’s unusual design meant that every roof had to be individually designed due to the variation between the roofs and drainage issues each roof presented. The resulting Langley specification overcame these...

31/05/2013

Sir Stirling Moss

Sir Stirling Moss Langley has undertaken an impressive Copper Veral roofing project at the Mayfair home of British racing icon Sir Stirling Moss. The specialist copper veral solution from Langley was selected by Sir Stirling and the project’s contractor, Keith Marzetti of Tower Asphalt Ltd., for its long product life and high resistance to cracking. Sir Stirling knew he could trust the product, as the roof being replaced was a Langley Copper Veral system installed more than 20 years ago by Keith and his...

26/04/2013

Cedars Upper School

Cedars Upper School When Cedars Upper School in Leighton Buzzard required a roofing solution designed and installed within strict budgets, they turned to Langley, who provide a system lifespan guarantee of at least 30 years to help reduce total life costs and provide peace of mind. Working with the school’s chosen consultant  Wilby and Burnett, Langley’s team began by undertaking a comprehensive survey of the school’s existing roofing system. This detailed and bespoke report, including accompanying...

28/12/2012

Broadwater Farm Estate

Broadwater Farm Estate Langley has completed more than 12,500m²  of roof refurbishment works at a North London housing estate. Working in partnership with approved contractor, Keepmoat Regeneration Ltd, Langley used their experience, specialist design and reporting services to provide individual cost-effective solutions to 40 separate roof areas for refurbishment. Individual surveys and core sampling were conducted at each of the 40 areas across nine blocks, with detailed reports and specifications drawn up for...

26/10/2012

Jack Hunt Secondary School

Jack Hunt Secondary School Refurbishing a school roof during term time is always a challenge and the roof works at Jack Hunt Secondary School provided just this challenge coupled with the removal and subsequent waterproofing of several large and redundant barrel rooflights all while students studied below. Harmony Roofing Services Ltd picked up this challenge and carried out the works using Langley’s TA-20 warm roof system, replacing many rooflights using Paraglaze barrel rooflights while the client opted for...

26/10/2012

Nursery Close

Nursery Close Refurbishment works to both the roof and balcony walkways were undertaken at the same time by Hounslow Homes at the Nursery Close estate. Langley was chosen for their ability to provide superior quality roofing solutions for both areas. The biggest challenge was to carry out the balcony works in a timely manner due to the continual use by tenants, who for most, the walkways provided the only access to their apartments. Superior Roofing carried out the installation of both Langley systems to the highest...

27/04/2012

London Victoria Station

London Victoria Station The myriad of roofs above London Victoria Station required a unique approach when in recent need of refurbishment.  The combination of flat and sloping roofs along with walkways, plant equipment and various obstructions meant Langley’s ability to seamlessly provide both high-performance bituminous felt membranes and high-quality liquid roofing fit perfectly for the client's requirements.  Langley approved contractors, Heartfelt Roofing Limited, worked to provide an excellent finish...

27/01/2012

Wandsworth Town Hall

Wandsworth Town Hall Chartered Surveyors, Hughes Jay and Panter, turned to Langley and it’s high-performance bituminous SBS built-up roofing system for the refurbishment of this Grade II listed town hall which forms part of the Wandsworth conservation area for its architectural and historical importance.   Not only was the unique shape and differing levels of the buildings' flat roof areas a challenge but numerous large glazed rooflights needed to be replaced or blocked over while ensuring that staff...

28/10/2011

Bishop Bell C of E Secondary School

Bishop Bell C of E Secondary School Langley’s superior product offering and expertise were chosen to refurbish the school's multiple flat roof areas after the existing asphalt roof covering had come to the end of its useful lifespan. Working closely with Architects Felce & Guy Partnership LLP, Langley designed and specified the optimum warm roof solution, utilising their high-performance bituminous Flat Roofing System. Approved contractor for the project, Richard Soan Roofing Services, worked carefully with the...

30/09/2011

Belleville School Annex

Belleville School Annex Wandsworth Borough Council entrusted Langley with two bespoke challenges for the roof refurbishment works at Belleville Primary School. Firstly, a decision had been made to remove the existing internal drainage system on the flat roof areas between the slated pitched roofs. This meant that Langley had to ‘reverse design’ the falls to run towards the newly devised external gutters.   This was achieved using Langley’s Parafoam Ultra Tapered Insulation and Parafor Solo cap...

30/09/2011

Brettenham House

This iconic 1930’s London Office Building enjoys enviable panoramic views over the Thames.  Property Consultants, Hartnell Taylor Cook, recently turned to Langley for help with the building’s challenging roof refurbishment project.  The roof space contained a complicated maze of obstructions including plant equipment, ventilation and cabling. Langley’s Paracoat and red Paraquartz Liquid Roofing Systems were chosen to overlay the existing asphalt roof, a perfect solution to overcome the many on-site...

28/08/2009

Lindfield Primary School

Lindfield Primary School The lead covering to this rotunda roof at Lindfield Primary School, West Sussex had been stolen and approved contractor Breyer Group Plc turned to Langley for a new waterproofing system. Rather than replace the lead, and given that the school is within a conservation area, it was agreed to re-cover the rotunda using a Langley Copper Veral membrane. This makes an impressive change to the original roof and complements its design perfectly.  Although a small project in comparison to some, this...

29/05/2009

Abbey Road Estate

Abbey Road Estate Forty years after being made famous by the Beatles the estate on Abbey Road had a face lift. In excess of 6,000m² of roofing system across the entire estate was replaced by Apollo London Ltd as part of a multi-million pound regeneration and Decent Homes programme for the residents in Camden.  The existing roof coverings and screed was removed down to the concrete deck and a new Langley felt system with tapered insulation installed. Langley was delighted to have worked closely with the project...

25/02/2005

St Mary’s Estate

St Mary’s Estate As the preferred material supplier Langley worked in partnership with LHC to deliver Phase I of the Decent Homes Programme within London Borough of Hackney. Under the LHC’s roofing arrangement both Apollo Property Services Plc and Breyer Group Plc were appointed to lay almost 100,000m² of Langley system throughout the Borough.  The systems comprised of a mixture of both felt and Paraphalt works utilising flat and tapered insulation. Apollo installed the Langley systems with tapered...