K-FLEX · Firestopping
K-FLEX K-FIRE MASTIC P
Sprayable firestop mastic for head-of-wall and perimeter joints.
Price on request
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Overview
Water-based spray-grade sealant for construction joints such as head-of-wall, curtain-wall perimeter and expansion joints. It cures to an elastomeric membrane that takes up movement.
Key features
- Up to 3 hours (ASTM E1966 / UL 2079)
- 500 movement cycles (ASTM E1399)
- Spray, brush, trowel or tube
- Elastomeric membrane
Applications
- Firestopping of penetrations and joints
Technical data
| Property | Value |
|---|
Data from the manufacturer. Please confirm the exact version, availability and a current quote with us.
Dimensions and variants
| Packaging | Code |
|---|---|
| 18.9 l (5 gal) pail, red | 850CL020234 |
Documents
- Manufacturer information K-FLEX