3M Intumescent Smoke Seal Strip Tapes BLACK – 1/16 in x 1/2 in x 9 ft – Flexible Expanding Fire Door Strips – Smoker Gasket Seal Strip for Fire Rated Windows & Steel or Chute Doors

Intumescent Smoke Seal—Elevate your fire safety measures with our fire door seals! These intumescent strips are a game-changer, providing a crucial barrier that expands when heated, making them ideal choices! Universal Replacement Part – Fits All Doors up to 24 by 24 doors: 12″x12″, 12″x15″, 15″x15″, 15″x18″, 18″x18″, 21″x18″, 21″x21″, 24″x 24″. COMPATIBLE with Trash, Laundry, Recycling, Rubbish, Linen Intakes Foolproof Sealing – The magic lies in the automatic expansion of these fire & smoke door seals when exposed to heat. This smoke-proof door seal ensures the door gap is sealed, preventing the spread of fire. Adhesive Flexibility – Our fire door strips offer adhesive flexibility, allowing easy installation without tools. Simply tape it in the groove of the fire door seam. Convenience meets efficiency! Quality Material—Trust in the power of quality materials. Our fire door seal strip is crafted from a graphite-rubber composite material. Invest in this intumescent door sealant strip that stands up to the challenges! Measurements—Our intumescent strips for fire doors have a THICKNESS of 1/16″ / 0.0591 IN / 1.5 MM / 0.15 CM, a WIDTH of 1/2″ / 0.50″ IN / 13 mm / 1.3 CM, and a generous LENGTH of 9 ft. / 108 IN / 2.76 M / 276 CM / 2760 MM. With our fire door strips, you can achieve the perfect fit for your fire doors. This strip is long enough to fit the largest trash and laundry chute standard door, up to 24 x 24.