Sealants are used to provide a weathertight joint or junction that can accommodate movement in a wide range of cladding materials. It updates and replaces Bulletin 441 Sealed joints in external claddings - 2: Sealants.
While many premature sealant failures are the result of incorrect application, many are also the result of insufficient attention to the system and substrate compatibility.
This bulletin examines the factors affecting the choice of sealant for sealed joints in cladding systems, including:
Publication date: August 2016 Keywords: cladding, sealant, joint, junction, movement