Single component; water-based intumescent acrylic firestop sealant. Blockade meets ASTM E 814/UL 1479 specification for fire tests of penetration firestops. Intumescent product expansion fills the void created by combustible materials burned during a fire.
- Treats all general firestopping applications for combustible & non-combustible penetrations.
- 4 hour system tested.
- Intumescent product expansion fills the void created by combustible materials burned during a fire.
- Red color for easy inspection.
- Interior use.