Water-Resistant Intumescent Fire Seal Strip – Expansion Barrier for Damp or Humid Environments

Product Overview Engineered for moisture-prone environments, this water-resistant intumescent fire strip maintains structural integrity and performance even in humid or wet areas.

Features Resistant to moisture, mold, and humidity Reliable expansion performance under heat Can be painted or over-sealed Compatible with wooden, metal, or composite frames.

Technical Specifications Material: Water-resistant Intumescent Graphite Activation Temp: Approx. 190°C Expansion Ratio: 20–25x Thickness: 2–5mm Widths: 10mm, 15mm, 20mm Certification: UL, CE compliant.

Applications Kitchens, bathrooms, and basements Hospital and cleanroom doors Storage and archive facilities Marine and coastal constructions.

Customization Options Waterproof backing layer Die-cut pieces for corners or profiles Printed warning lines or arrows Color-matching service.