Big space? No big deal.
The Hilti Firestop Block CFS-BL is an innovative pre-formed solution for
firestopping a variety of through penetrations in large openings.
The CFS-BL has an innovative “Grid-Tech” component and improved formula which allows for larger openings, greater annular space and improved performance under fire conditions.
When you combine fast installation, easy re-penetration and a superior range of applications, the CFS-BL provides the flexibility and reliability you have come to expect from Hilti.
- Download CFS-BL Submittal Information
- Download Updated Firestopping Specifications
- Check out the Firestop Design Center
Applications
- Non-curing reusable solution for medium to large openings
- Suitable for new penetrations or re-penetration
- One-sided installation wall systems available
- Easy installation with no special tools required
- Ideal for use in floors, no forming required
Outperform and Outlast
- Integrated “Grid-Tech” component allows up to 12” annular space
- Pre-compressed block allows for simple installation
- Can be installed in wall or floor applications
- Fire ratings from 1-4 hours for a variety of through penetrations
- Reusable design allows for re-penetration and flexibility
- Block has integrated label to improve “final row” installation
- Reusability allows for continued use of single block
- Variety of applications allows for future expansion
- Over 50 Firestop UL Systems available
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