Air Leakage

Products designed to tackle heat and air leakage enabling house builders to achieve the targets for modern, energy efficient homes.

Builders face constant pressure to make their houses energy efficient, and buildings that fail to meet air leakage standards can cost thousands of pounds in wasted time and repeat labour. Heat loss due to air leakage can also lead to mounting energy bills and a drafty, uncomfortable home for the eventual occupant.

Manthorpe’s range of joist sealsradiator pipe guide and seals air leakage products are designed to tackle these problems quickly and effectively making it easier for the builder on site to deliver a quality home.

Radiator Pipe Guides & Seals

Inexpensive, quick and easy to fit, the radiator pipe guide and seals provide a highly effective air leakage barrier, conserving energy and...

Joist Seals

Designed to meet the requirements of Part L Building Regulations regarding increased insulation and air leakage, Manthorpe’s joist seals...


From our first foray into the building industry through to our latest product innovations, Manthorpe Building Products has grown year on year thanks to a philosophy of continuous investment and development. 

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At Manthorpe we pride ourselves on our high quality standards, not just for the products that we produce; but for our design, manufacture, sales and delivery processes as well.

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Innovation has always been at the core of the company.  From new technology investment to in-house research and development, Manthorpe is constantly looking ahead to meet the needs of the industry.

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