Premium acrylic urethane caulk is paint-friendly so it will not cause paint to crack, fade, or change sheen. Mold and mildew resistant. Exceeds ASTM C920, TTS-230 for better crack resistance. Easy soap and water clean up. If gap exceeds 1/2" x 1/2", use backer rod. Coverage: 10.1 Oz. - 50 LFT at a 3/16 In. bead.