White Lightning W12AF0010 3006 Advanced Formula All Purpose Adhesive Caulk, White, 10 OZ Smooth, professional application Excellent flexibility and elasticity Cured caulk is mildew and rust resistant Excellent color retention Excellent adhesion, cures in 5 to 7 days Will not crack, split or become brittle Mildew and rust-resistant Paintable and water clean-up