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