DAP® DYNAFLEX® 800 advanced all-weather sealant provides a durable, 100% waterproof and weather-proof seal around windows, doors, siding and trim. Its strong adhesion properties also makes it ideal for use as a bedding sealant for window installation. DYNAFLEX® 800 stays flexible to withstand extreme joint expansion and contraction caused by weather and temperature fluctuations. It won’t shrink, crack, crumble or break down. DYNAFLEX® 800 can be applied to wet surfaces and in extreme temperatures. It dries fast so it’s rain ready in one hour. Latex paint ready in one hour, depending on temperature and humidity, saving time. It guns out easily, tools smoothly, low in odor and VOC compliant. Cured sealant is mold and mildew resistant. Meets ASTM C920, Class 25 and complies with AAMA 808.3-16 Type I, AAMA 803.3-16 Type I and AAMA 802.3-16 Type II. Interior/exterior use.