Fire resistance - up to 2 hours Safire Intumescent Mastic is designed to prevent the spread of fire, smoke and gases through openings in fire rated walls and floors, specifically linear joints and openings for building service penetrations.
Key Features
- Intumescent mastic technology with foil-backed sausage application
- Maintains fire integrity across temperature fluctuations and thermal cycling
- Effective condensation barrier preventing moisture ingress
- Compliant fire classification for critical ductwork sealing
- 1000mm foil facing for enhanced vapour and condensation control