ALLPRO® Silver PRO40™ Siliconized Latex Sealant is a multi-purpose acrylic latex caulk with silicone additives designed exclusively for the professional paint contractor. It offers excellent paintability. Silicone additives ensure excellent adhesion and flexibility as well as minimal shrinkage. This formulation will not crack, has no after-flow and is easy to tool in all climates. Formulated to last 40 years or more. Exceeds ASTM C-834 specification. Bilingual Spanish & English packaging to aid sales. Available in white and clear.