EASY INSTALLATION: No tools required, no mess. Backed by 3M double coated tissue tape, our fire rated door strips are incredibly easy to install. Just cut, peel, and stick! Unlike other products, this flexible expandable wrap strip leaves no residue, ensuring a reliable, professional-grade fit every time. VERSATILE FOR ALL YOUR NEEDS: Whether sealing gaskets, fire rated windows, or door seams, this fire sealant will adapt perfectly. Its self-expanding design ensures it conforms to any groove, giving you confidence in every application. USE A PROVEN SOLUTION: Protect your loved ones and property with a trusted expandable strip tape for fire rated windows and doors. Measuring precisely 0.079 inches thick, 0.59 inches wide, and 108 inches long, this fire door seal fits seamlessly to your fire door, blocking fire, smoke, and toxic gases for ultimate security. UNMATCHED FIRE PROTECTION WITH 3M ADHESIVE STRENGTH: Increase your security with intumescent smoke seal tape that expands at high temperatures, sealing gaps to block fire and smoke. Outperforms the competition by holding firmly for maximum security with 3M strong grid adhesive. DURABLE, LASTING QUALITY: Made with premium graphite and rubber composite, this intumescent door seal is designed to handle extreme heat while maintaining a secure seal. Make your windows and doors more resistant to smoke and fire with these 3M adhesive strips.