
Bostik Inc.’s Construction & Industrial (C&I) Business Unit has developed Chem-Calk® 505, a new, two-component, polyurethane sealant for vertical and horizontal commercial construction applications. The non-sag, architectural-grade formulation is designed to seal expansion and control joints in precast concrete construction and metal curtain walls, as well as the perimeters of door and window frames and other building components. Replacing...
Karnak 501 and 505-M Elasto-Brite acrylic-polymer coatings for metal, asphalt, and non-APP (atactic polypropylene) built-up roofs can prolong the life of those membranes, and lower the building’s air conditioning energy needs if ENERGY STAR-rated white is applied. Gray, tan, patina green, and terra cotta red are also available in 5 gallon pails and 55 gallon drums.