Dap Dap Alex Plus All Purpose Siliconized Acrylic Latex Caulk 10.1 Oz., Clear (Pack of 12) DAP ALEX PLUS All Purpose Acrylic Latex Caulk Plus Silicone is an excellent quality, all purpose caulk for sealing a wide variety of interior and exterior surfaces. It contains silicone additives for greater flexibility and adhesion, and shrinks less for a durable, 100% waterproof seal. ALEX PLUS is paintable in just 30 minutes with latex or oil-based paints, saving time. It will not shine through or discolor paint finish for superior paint results. Easy to apply and tool, low in odor and cleans up easily with water. Cured caulk is mold and mildew resistant. Coverage: 55 Ft. at 3/16 In. bead for 10.1 Oz. - 30 Ft. at 3/16 In. bead for 5.5 Oz. 40 year durability. Exceeds ASTM C834. Online purchases are in packages of 12.Dap Dap Alex Plus All Purpose Siliconized Acrylic Latex Caulk 10.1 Oz., Clear (Pack of 12)