Joist Seals

Designed to meet the requirements of Part L Building Regulations regarding increased insulation and air leakage, Manthorpe’s joist seals provide an effective alternative to the Robust Construction Details suggestion. The Joist Seal fits over the joist end before being built into the blockwork in the traditional manner.

Joist Seals: 2 Results

The G912 range is designed to solve the problems of air leakage associated with built in timber joists. The box is placed over the end of the joist and built into the inner leaf of the external wall construction with a foam gasket sealing up the penetration. As the timber dries out and...

The G913 range is designed to solve the problems of air leakage associated with built in timber joists. The box is placed over the end of the joist and built into the inner leaf of the external wall construction with a foam gasket sealing up the penetration. As the timber dries out and...

Service

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. 

Read more

Quality

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.

Read more

Innovation

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.

Read more