The Siderise FR-A Fire Rated Acrylic Sealant is a one-part, gun-grade acrylic sealant designed to provide fire-resistant sealing for joints in a wide range of fire-rated structures. This intumescent sealant remains flexible while forming a firm barrier that expands when exposed to heat, effectively preventing the spread of fire and smoke through joints for up to 4 hours. Ideal for use in commercial and residential buildings, the FR-A Acrylic Sealant combines fire protection with ease of application and long-term durability.
Features
- Fire-resistant – Intumescent sealant expands when exposed to heat, providing up to 4 hours of fire protection
- Flexible & durable – Accommodates joint movement and is slump-resistant for small joints
- Strong adhesion – Bonds to timber, steel, and aluminium without priming on many surfaces
- Easy application – Gun-grade, one-part formulation; cures and becomes tack-free in approximately 75 minutes
- Compatible with fillers – Can be used with backing materials like stone wool to achieve correct joint width-to-depth ratio and reduce shrinkage during curing
- Fire classification – D-s1, d0 reaction to fire according to EN 13501-1