While saving time on building sites and reducing the need for joist hangers that can be awkward during installation, Manthorpe's polypropylene G913 joist seal provides unparalleled protection against air leakage. It can be easily installed and pushed onto the end section of ea... Read More
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Find out moreWhile saving time on building sites and reducing the need for joist hangers that can be awkward during installation, Manthorpe's polypropylene G913 joist seal provides unparalleled protection against air leakage. It can be easily installed and pushed onto the end section of each joist, then integrated into the blockwork.
The joist seal has been meticulously developed to comply fully with Building Regulations Part L, and features several push-out pockets located around the inner flange. This enables the addition of restraining straps as needed.
As the timber in question gradually dries out and contracts, the formed seal is able to stay intact and prevents air leakage into the cavity. Furthermore, each G913 product has successfully undergone a one-hour fire test in party wall details, ensuring exceptional safety standards.
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