DAP DYNAFLEX 230 delivers a "Silicone Tough" latex formulation for outstanding exterior performance against the elements. Developed for flexibility and crack proof performance, this sealant endures expansion and contraction without cracking or losing its seal.

Features:
The paintable, durable sealant can fill gaps up to 1" wide
Cured sealant is mold and mildew resistant
It has excellent adhesion to a wide range of building materials including wood, MDF, PVC, polystyrene, and composite trimboard
Easy to gun out, tools smoothly and can be cleaned up with soap and water
Interior/exterior use
Meets ASTM Specification C920, Class 25

10.1 oz tube