CAN/CGSB-1.177-M91

Applies to a two-component, pigmented polyurethane coating for interior and exterior use on metal, wood, fibreglass reinforced plastic and concrete where enhanced durability and resistance to chemicals, abrasion, impact, water, corrosion, yellowing and chalking are desired. Where a polyurethane coating that may exhibit some yellowing and chalking is acceptable, see CGSB standard 1-GP-180M.