Update quantity
Please note, the order volume has been updated. This is due to package and minimum order quantities.
Please note, the order volume has been updated to. This is due to package and minimum order quantities.
Firestop for large openings
Efficiently firestop large areas with or without penetrating items
Take a walk through the plant room of any modern building and you’ll see a maze of layered M&E services which would have been unimaginable a few years ago. This endless array of cables, bundles, trays, conduits, plastic and metal pipes need larger wall and floor penetrations than ever – which presents new challenges for fire compartmentation. You can rely on Hilti Firestop to deliver workable smoke- and fire-resistant sealants around these larger penetrations.
To deliver the adaptability you need in larger openings, we offer traditional firestop sealants, composite board, and various preformed solutions like fire blocks and plugs. They are all designed to be easy to specify, install, and inspect.
Firestopping Large Openings
Firestop Block CFS-BL
Non-curing, reusable solution for medium to large openings
If you expect to upgrade or expand your M&E installations very frequently, preformed solutions – like firestop blocks – are ideal for easily sealing large openings.
- Designed to simplify re-penetration and retrofitted cables
- Can be dismounted, cut, and re-installed easily with no special tools required
- Highly productive one-sided, one-person installation
- No compression required
- New grid technology allows for up to 12" of annular space without the need for a cover plate or wire mesh
- Help minimize airborne dust and fibers compared to traditional solutions like coated boards and mortars
Composite Sheet CFS-COS
Thin stainless steel firestop composite sheet ideal for sealing large openings
- For use with fire-rated assemblies (up to 4 hrs)
- Compatible with Hilti sleeve devices for easy cable management
- Can be fastened using Hilti GX tools – no need to drill or set anchors
- Multi-board systems allow very large openings
- Non-magnetic #304 stainless steel construction with good weatherability and no inductive loss in cables
Specification Resources
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