Protect your windows and doors and your indoor space with Grainger's window and door seals. Choose from a wide range of protective products, including fire seals, caulk backer rods, smoke seals, astragal, base mounts, draft seals, gap door shoes, magnetic seals, in addition to other sealing products. Assure proper standing of your doors and windows with our seals. Efficiently protect the gaps in you doors and windows. Shop today!