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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. Meets ASTM Specification C920, Class 25. VOC compliant. Interior/exterior use. DAP caulk and sealants provide durable performance for a variety of projects.
From the Manufacturer
DAP's most advanced latex sealant technology. It combines superior flexibility and durability of a silicone with the easy tooling, excellent paintability and low odor of latex. Provides excellent adhesion and a watertight, weatherproof seal. Cured caulk is mildew resistant. Easy water clean-up. Interior/exterior use. 50 Year Durability Guarantee. Meets Federal Specification TT-S-00230C, Type II, Class A and ASTM Specification C 920, Class 25.
David Steppe
Reviewed in the United States on February 16, 2025
Worked like it said
Michael Moore
Reviewed in the United States on December 23, 2024
It worked just fantastic
Oscar Wilcher
Reviewed in the United States on May 2, 2021
easy to use and great product
Ruth Ben
Reviewed in the United States on July 25, 2020
Works great on my breezeway stairs
T.E.G
Reviewed in the United States on May 24, 2020
The cure Time was longer than I've experienced with this brand before. Maybe old stock...I'd recommend but I would not feel right doing so.
Toby
Reviewed in the United States on January 10, 2020
Color matched great for what i needed ot for
MF
Reviewed in the United States on June 29, 2019
Best Caulk I’ve ever worked with.....it does not clog and get hard in the tip between uses, so that really helps the next job. Drys fast once dispensed.
Desert Rat
Reviewed in the United States on August 3, 2018
Love this caulk. Goes on smooth, easy cleanup, cures quickly. Been using it for 15 years in the south Arizona desert where pretty much everything except 100% RTV gets hard from the sun. It survives better than most, with minimum shrinkage and cracking.
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