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Wraptite-SA Clay Farm Zero Carbon

One of the UK’s largest zero carbon developments is benefitting from the high performance airtight membrane Wraptite-SA from A. Proctor Group. As part of a joint venture development, award winning housebuilder Hill, and Cambridge City Council have created a total of 208 energy efficient dwellings, comprising 104 affordable properties, and 104 for private sale.

The development at Clay Farm, Great Kneighton in Cambridge has been designed to achieve a BREEAM Excellent rating, requiring an airtightness level of less than 1. Wraptite-SA was specified by Kingspan Timber Solutions for the project to achieve the required standard, which would not have been possible with standard membrane construction.

Wraptite-SA, the only self-adhering vapour permeable air barrier certified by the BBA, was applied externally to the timber frame panels in continuous pieces. Traditional use of internal air barriers can be more complex and costly to install, due to the need to accommodate building services such as electrical, lighting, heating and drainage systems. The use of Wraptite-SA makes a significant contribution to a building’s thermal performance by preventing lateral air movement. It also provides high vapour permeability, which allows any water vapour to escape the wall construction efficiently thereby avoiding any interstitial condensation problems.

A. Proctor Group carried out on site air tests of trial units prior to commencement of the main project. Initial air tightness results after installation achieved a rating of 0.72, well within the target level of less than 1.

Wraptite-SA - Clay Farm, Zero Carbon

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Questions? Contact Us

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T: 01250 872261
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T: 01250 872261

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Support & Services

Telephone-Support-930x550-1 Questions? Call our experienced Sales or Technical professionals now on 01250 872 261.
Cond-Risk-930x550 A calculation to evaluate the likelihood of interstitial condensation in your roof or wall.
U-Value-930x550-1 Demonstrates the thermal performance of construction elements such as roofs, walls & floors.
SAP-Calc-930x550 A whole building assessment of energy efficiency. Required by building control to show compliance.

Contact Us

  8:30am - 5pm, Mon - Fri

  01250 872 261

  01250 872 727

  

  A. Proctor Group Ltd., The Haugh, Blairgowrie, PH10 7ER

 

Testimonials

"As a roofing contractor specialising in the larger, more prestigious, type of project, we prefer to use only the highest quality products. Therefore we use Proctor Roofshield wherever possible; we have been using it for over 15 years, together with their condensation risk analyses and U-value calculations."

Mike Camilleri - Camilleri Roofing

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