Required Sealants

(1)  Sealant shall be provided where required to prevent the entry of water into the structure.

(2)  Sealant shall be provided between masonry, siding or stucco and the adjacent door and window frames or trim, including sills unless such locations are completely protected from the entry of rain.         

(3)  Sealant shall be provided at vertical joints between different cladding materials unless the joint is suitably lapped or flashed to prevent the entry of rain

Article 9.27.4.1. Ontario Regulation 332/12 Building Code,   O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021

Note : Not necessarily adhesives but some can, sealants are used to block the flow of water, dust, sound and helps in heat lost through openings in materials. In construction, sealants are often called caulking.