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Spacetherm Wall Board - Historic Building


Spacetherm Wallboard has been supplied by the A. Proctor Group to mitigate thermal bridging for the historic Electricity House building in Bristol, recently converted by Crest Nicolson into a series of luxury flats ranging from £230,000 to £530,000. The renowned architect, Sir Giles Gilbert Scott, the creator of the iconic Battersea Power Station, designed the original Grade II listed building.

Used in this instance as a Window Reveal Board, Spacetherm Wallboard was developed to prevent thermal bridging through a component or element of a structure. Spacetherm Wallboard is a high performance laminate, which consists of Spacetherm Aerogel insulation blanket bonded to plasterboard, and is ideal for use in applications where low U-values are required, and space is at a premium.

Planning requirements stipulated that the original window opening aperture sizes had to be maintained, and to alleviate thermal bridging on the existing window reveals, a thin insulation solution was crucial. Spacetherm offers superior thermal performance, which enabled the contractor to insulate the existing window reveals with just 17.5mm overall thickness, whilst still providing a high performing thermal conductivity of only 0.015 W/mK.

Spacetherm Wall Board

Engineered for unsurpassed thermal performance in space-critical applications, Spacetherm offers exceptional thermal conductivity, plus breathability allied to hydrophobic characteristics. Spacetherm Blanket is an ideal choice for timber or steel frame structures and on request can be cut to a variety of widths and sizes to suit different applications. In addition, it can also be bonded to a wide range of boards and substrates. Its flexibility and ease of use, combined with exceptional thermal performance qualities, which can be retained for up to 50 years, make it a preferred choice for many architects and specifiers.

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For any building to have an energy efficient, healthy, moisture free building envelope there is a clear need to manage the balance of Heat, Air and Moisture movement (HAMM) throughout the building’s life cycle from design, construction, completion and use.


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The A.Proctor Group operates out of The Haugh in Blairgowrie, which has belonged to the family since the early 1900’s and now acts as the Head Office for the Administration departments and Customer Services.


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