DuPont Tyvek System Weatherization Sealant, 10.3 oz, White
Brand: DuPont

DuPont Weatherization Residential Sealant, 1 tube. A durable, flexible seal around windows and doors helps prevent water and air intrusion, and makes homes more durable and energy efficient. It is a durable, highly flexible window sealant for use in general residential construction.