[BS]2MMX45MMX25M W/ADH 1/CS

[BS]2MMX45MMX25M W/ADH 1/CS Fire Door Strip The [BS]2MMX45MMX25M W/ADH 1/CS is a flexible, highly intumescent firestop strip designed for use in fire rated door and door frame assemblies. It provides a positive pressure seal at door-to-frame clearances to prevent the passage of flames, smoke, and hot gases during a fire event. This product is suitable for use by electrical distributors and switchgear suppliers involved in fire safety and building code compliance applications, contributing to effective fire protection in commercial and industrial settings. Specifications Manufacturer: RectorSeal Manufacturer Part #: 66211 Product Weight: 7.0 lbs Color: Dark Gray Material: Highly intumescent firestop material Dimensions: 2mm thickness x 45mm width x 25m length (approximate, based on product code) Intumescence Activation Temperature: Begins expansion at 375°F (190°C) Degree of Intumescence: ≥18x with weight imposed, ≥37x free intumescing (DIN standard) Flame Spread Index: 5 (ASTM E84, UL 723 Tunnel Test) Smoke Index: 5 (ASTM E84, UL 723 Tunnel Test) Compliance: Meets UL 10C, NFPA 252, IBC 716.2, ASTM E814 / UL 1479, DIN 4102-1, British Standard B.S. 476 Carcinogenic Fillers: None Solvents: None Features Easy to install with factory-applied pressure sensitive adhesive Versatile and flexible for use in multiple fire door assembly configurations Multi-staged intumescent expansion for superior fire protection with reduced material usage Forms a strong char to seal door-to-frame clearances, preventing flame, smoke, and hot gas passage Can be installed on door frame or door leaf, either flush or in a channel Suitable for sealing hardware penetrations and fire-rated glazing in doors and sidelites Meets environmental exposure requirements including accelerated aging and high humidity Dark gray color for discreet installation Downloads & Links Spec Sheet PDS - Spanish Safety Data Sheet SDS - Spanish Certified Clean Air Gold Certificate