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Firestop for large openings

All you need to know to master the smoke- and fire-sealing of large openings

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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.

It’s not just the scale of technical installations that has grown, but also the rate of change. Any high-spec project – but especially data centers and hospitals – depends on building services that allow rapid, downtime-free changes. By choosing re-penetrable firestop solutions, you can maintain your ever-changing M&E installations without sacrificing efficiency or safety.

To deliver the adaptability you need in larger openings, we offer traditional firestop mortars, coated board systems, composite sheets and various preformed solutions like fire blocks, cushions and modular transit frames. They are all designed to be easy to specify, install and inspect.

WHAT FIRESTOP PRODUCTS SHOULD I USE?

Firestop block CFS-BL

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. This non-curing and re-usable solution is designed for high-productivity installation by a single person with no special tools. CFS-BL and CFS-BL P firestop blocks have been designed specifically to simplify re-penetration of retrofitted cables. They can be dismounted, cut and re-installed easily. Firestop blocks also minimize airborne dust and fibers when compared to more traditional solutions like firestop coated boards and mortars

CFS-CT coated board mixed penetration

If you will only occasionally be changing cables and pipes, our CFS-CT, CP673 and CP670 coated boards offer a wide approval range, including cables, cable bundles, cable trays, combustible and non-combustible pipes as well as multiple and mixed penetrations.

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