Urethane reacts poorly to temperature variations. The colder it gets, the more it loses its flexibility. The sealants from DOWSIL™ Contractors Weatherproofing Sealant retain their flexibility under all weather conditions. In addition, urethane hardens in the cold and becomes difficult to apply while DOWSIL™ Contractors Weatherproofing Sealant can be applied easily in cold temperatures while...Continue Reading