Dowsil Firestop 400 Intumescent Acrylic Sealant - White, 380ml

Description

• Firestop 400 is an intumescent acrylic sealant designed for internal fire protection applications. It helps maintain the integrity of fire walls and partitions by expanding under fire conditions to seal gaps and joints. The sealant does not emit halogenated by-products during a fire and resists mildew and mold growth. It is suitable for sealing around door and window frames and in joints where fire-rated partitions meet. It can achieve up to a 4-hour fire resistance rating, providing enhanced safety and compliance.

Specifications

• Color: White
• Volume: 380ml
• Product Weight: approximately 1.0kg
• Material: Acrylic
• Fire Resistance: Up to 4 hours
• Application Type: Intumescent sealant for internal use

Compatibility and Accessories

• Suitable for use on most common construction substrates
• Compatible with door frames, window frames, and fire-rated partitions

Installation

• Apply to gaps and joints around door and window frames or fire-rated partitions
• Ensure surfaces are clean and dry before application
• Allow 30-45 minutes to become tack-free

Usage

• Use for internal perimeter pointing and sealing joints in fire-rated structures
• Apply evenly to ensure a continuous seal

Other Information

• Tested according to BS 476 Part 22:1987