Integrated High Durability Fire Door Seal Strip Intumescent Smoke Seals For Door Perimeters

Brush Integrated Intumescent Fire Seal – Smoke and Flame Barrier for Door Perimeters

Product Overview This dual-function fire seal combines an intumescent strip with a nylon brush for effective sealing against both smoke and flames. Designed for use on doors requiring acoustic and smoke control.

Features Combines fire and smoke sealing Brush reduces noise and air gaps Clean aesthetic with low profile Expands quickly during fire event.

Technical Specifications Intumescent Material: Graphite-based Brush Type: Nylon, Flame-resistant Thickness: 4mm–6mm Brush Length: 5mm–13mm Expansion Temp: 180–210°C Standard Length: 2.1m per piece.

Applications Soundproof fire-rated doors Hospital and lab door frames Apartment entryways Mechanical room enclosures.

Customization Options Brush color and density options Intumescent strip dimensions Cut-to-size or coiled supply Fire test report labeling.