M-D Building Products 43848 M-D All Climate Wave Profile Weather Seal Tape, 17 Product Description M-D Weather seal Tape, All Climate, Wave Profile, 3/8 in Width, 17 ft Length, 3/8 in Thickness, Silicone/EPDM Thermal Blend Rubber, Brown, Used to Fill a Variety of Gaps Around Doors and Windows. EPDM Rubber Formula with unique wave design to fill a variety of gaps around doors and windows. Profile expands and contracts to seal out the elements and helps reduce heating and cooling costs. 3/8" Height. From the Manufacturer High performance Silicone/EPDM rubber blend provides a superior seal to block out drafts and dust around doors and windows. Stays durable and flexible in extremely cold and hot temperatures, down to -40F and up to 140F. Saves energy and money and year-round. Guaranteed flexible for the life of your home. Features Seals Out Drafts And Dust Around Doors And Windows Silicone Blend Outperforms Typical Foam Tapes Unique "Wave" Profile Expands And Contracts To Seal Gaps Up To 3/8'' Brand Name: M-D Building Products USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.