DAP 18280 Premium Sealant Black

Great flexibility and crackproof
Seals joints up to 1 inch wide
Easy water cleanup and low odor
Ideal for composite wood and PVC trimboard
Silicone tough performance
100% waterproof
Tax included
In stock
Limited amount left at Kendal Hill


DAP DYNAFLEX 230 delivers a silicone tough latex formulation for outstanding exterior performance against the elements. Developed for flexibility and crackproof performance, this sealant endures expansion and contraction without cracking or losing its seal. The paintable, durable sealant can fill gaps up to 1 inch wide and the 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.


More Information
Coverage55 ft
Specific Gravity1.44
Application MethodCaulking Gun
Application Temperature40 to 100 degrees F
Package Size (ounce)10.1
Package TypeCartridge
ResistsMildew, Mold
Curing Time (day)1
Touch Dry (hour)4
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