

ST88 FR Intumescent Acrylic Sealant is a one-part, fire-resistant joint and penetration sealant designed to reduce sound transmission through joints. This high-performance sealant is ideal for use in various building applications where fire safety is a priority. Under fire conditions, the sealant chars and expands, effectively preventing the spread of fire and smoke.
Key Features:
- Fire Ratings:
 
- 4 Hour Fire Rating: BS 476:20 & EN 1366-3
- 1 Hour Fire Rating: BS 476:22
- Performance:
 
- Tack-free when dry
- Low shrinkage
- Water-based formulation
- Packaging:
 
- 310ml per tube
- 25 tubes per box
Applications:
Ideal for sealing joints and penetrations in walls, floors, and ceilings in both commercial and residential buildings.
STS ST88 FR ACRYLIC MASTIC Technical Datasheet 
STS ST88 Acrylic Mastic - Safety Data Sheet 
STS ST88 Acrylic Mastic - Warringtonfire
