PLATINUM PATCH™ Advanced Exterior Filler features innovative WEATHER MAX Technology™ to deliver unmatched protection against the elements. Its hydrophobic formula creates a durable, waterproof surface that won’t swell, soften, blister, or break down. Mould-, mildew-, and algae-resistant, this filler is perfect for areas that face constant exposure to the elements. Designed to resist cracking, discoloration, and crumbling, it offers lasting, all-weather adhesion on a wide range of substrates for all your repair, installation, and finishing needs. Plus, it’s paintable for a flawless, seamless finish.