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 each joist, then integrated into the blockwork.

Brand Name	Manthorpe
Colour	White
Manufacturer Model No	G913-38-100
Certifications Met	Building Regulations Part L
Height	302mm
Material	Polypropylene with foam gasket seal
Features	Saves time on building sites, Reduces the need for joist hangers during installation, Provides unparalleled protection against air leakage, Easily pushed onto the end section of each joist and integrated into blockwork, Several push-out pockets around the inner flange for restraining straps, One-hour fire tested in party wall details