List of featured suppliers of SEALANTS Mastic: by Special Function: Expansion Movement Joint on Building Products Index
A substance used in construction and building projects with a specific function of filling gaps and cracks to prevent the passage of air, water, dust, and other contaminants is known as sealants or mastic. In particular, it is used to create expansion movement joints that allow for the expansion and contraction of different components due to changes in temperature and other factors without causing damage to the structure.