Firestop Block CFS-BLMay 1, 2012
Big space. No big deal.
When it comes to firestopping a variety of through penetrations in large openings, the Hilti Firestop Block CFS-BL is the pre-formed solution. 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.