Swisslab External Wall Insulation used for Challenging Refurbishment

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Alumasc Swisslab External Insulation system has been used at Park Road Flats in West Lothian, as part of a £1.2m refurbishment programme. The flats are owned by West Lothian Council and provide social housing to local residents in the form of 28 flats across three 3-storey blocks.

The refurbishment was required in order to bring the properties up to Scottish Housing Quality Standards and also included a range of other improvements such as window replacement and lighting systems.

Having been constructed in the 1940s of roughcast onto brick, the Park Road Flats were suffering from issues with cold, condensation and mould. In addition, many residents were experiencing higher energy bills due to a lack of insulation. There were also issues with the existing structural ties, which had become rotten over time.

The volume of works being carried out also led to logistical site challenges and had to take place with residents in situ. Following completion of the project, feedback has been very positive, both from residents and West Lothian Council.

To combat the challenges of the project 1500m2 of Alumasc’s Swisslab, was installed by Alumasc Registered Contractor CCG, to all four elevations on each of the three blocks, using 70mm Expanded Polystyrene (EPS) Insulation.

To finish the project and provide further protection, the buildings were finished with Alumasc’s Silkolitt 1.5mm silicone render in white. Silkolitt is a breathable and very low maintenance silicone topcoat which is essential to allow the buildings’ internal vapour to escape and provide an attractive solution with minimal upkeep.

By utilising Alumasc’s Swisslab EWI, the residents now benefit from warmer and more energy efficient homes – with an achieved U-value reduction from 1.4 W/m2k to 0.25W/m2k. In addition, the external aesthetics of the properties has been vastly improved.

Paul Muldoon, Contracts Manager at CCG, comments:

“The positive transformation of the Park Road Flats is undeniably one of the biggest we’ve experienced. The buildings have been transformed from cold, grey shells to warm, sleek, modern homes which residents can be proud of.”

Swisslab is the industry-leading direct-fix insulated render system for overcladding existing properties, boosting both thermal performance and aesthetic appeal with an effective life in excess of 30 years.

Alumasc’s Silkolitt is a high-performing silicone render which is highly water-repellent, vapour permeable and weather resistant.