TOP GUN^® 400 Elastomeric Acrylic Urethane Sealant is made with Kevlar^® for exceptional strength and durability. Effective on wood, drywall, plastic, metal, brick, masonry, marble, glass, porcelain and ceramic tile.This premium technology has exceptional adhesion to most building substrates with greater than 800% elongation. TOP GUN 400 is an internally plasticized sealant that reduces dirt pickup, eliminates yellowing and shiners. It forms a permanently flexible, airtight, water-resistant seal offering exceptional protection from environmental conditions.