Polyseamseal, 10 OZ, 2 In 1 Rain Guard Seal, Ultra Exterior Is A High Performance Sealant Designed For Exterior Door, Window & Siding Applications, Contains Patented Rain Guard Technology Which Allows Uncured Sealant To Resist Washout Due To Early Rain Exposure, An Acrylic Based Formulation With Superior Adhesion, Flexibility & Durability, Cures To A High Gloss Sheen, Is Paintable & Also Mold & Mildew Resistant.