Dap 18285 Dynaflex 230 Premium Indoor Outdoor Sealant with 5.5-Ounce Tube, White This product is highly durable The product is manufactured in United States The product is easy to use Provides a permanently flexible, crack-proof seal that is ideal for sealing out water and air leaks to improve the energy efficiency of a home Also seals out insects from entering through small gaps and cracks Cured sealant is mold and mildew resistant Ideal for a wide variety of applications such as sealing around widows, doors, siding, trim, molding and baseboards Exceeds Federal Specification TT-S-00230C, Type II, Class A and ASTM Specification C920, Class 25