4 in. x 50 ft. Butyl Door and Window Flashing BT20

Introducing the 4 in. x 50 ft. BT20 Butyl Door and Window sealant, a high-quality solution for sealing and insulating doors and windows. This product is designed to provide a durable and long-lasting seal, preventing drafts and moisture from entering your home. With a convenient 50 ft. roll, you can easily apply this butyl sealant to multiple doors and windows, ensuring a tight and secure fit. Say goodbye to drafts and leaks with the BT20 Butyl Door and Window sealant.