Products / Chem Link DuraLink 35 Multi-Purpose Sealant

A multi-purpose, moisture-cure elastomeric polyether sealant for window, door-frame, parapet, and block-and-masonry joints, isocyanate-free and paintable, that the product page says is SWRI validated for plus or minus 35% joint movement and bonds to difficult surfaces such as Kynar 500 PVDF and other anodized metals and coatings.