DAP Dynaflex 230 is a premium elastomeric latex sealant with silicone-like toughness. This DAP sealant combines outstanding durability, adhesion and flexibility with easy tooling, paintability, low odor and water clean-up. It is highly flexible to handle joint movement caused by variations in temperature and humidity without cracking making it an excellent choice for outdoor use. Provides a long-lasting, durable seal that is 100% waterproof and weatherproof. Ideal for caulking and sealing air leaks around windows, doors, siding, trim and baseboards to improve the energy efficiency of a home and reduce utility costs. Cured sealant is mold and mildew resistant. Meets ASTM Specification C920, Class 25. VOC compliant. Interior/exterior use. DAP caulk and sealants provide durable performance for a variety of projects.
- DAP Dynaflex 230 sealant is Silicone tough with superior flexibility; use for windows, doors, siding, trim, baseboards and more 
- Highly flexible, white sealant seals joints up to 2" wide and performs like silicone, handles joint movement without cracking 
- Premium elastomeric latex paintable sealant that creates a 100% waterproof sealant that provides a weatherproof seal 
- Adheres to a wide range of building materials indoors or outdoors, such as wood, MDF, PVC, polystyrene, and composite trimboard 
- Meets ASTM Specification C920, Class 25 and covers 55 linear feet at a 3/16" bead size 
- Premium elastomeric latex sealant is low in odor and cleans up with water 
- Cured sealant is mold and mildew resistant, keeping the caulk looking clean and fresh 
- Fully cures in 24 hours