The product is also ready for paint in 30 minutes. The product’s flexibility means it’s a good choice for outdoor use. It won’t break down, according to the maker, so it protects homes as they settle and as the seasons change. The company offers five-year mold free protection. The product received NAHB Research Center National Green Building Standard Certification. It is the first, and currently the only, caulk to attain the certification. www.caulkyourhome.com