Explanation of Fire Resistance Ratings for Fire-Resistant Cable Trays

This guide explains what EI ratings mean in practice and how to specify them correctly. For the full selection matrix including environment and procurement, see the fire resistant cable tray selection guide. This buying ...

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Explanation Fire Resistance Ratings

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Choose appropriate fire protection materials, such as fire-rated board, firestop packs, firestop mastic, or fire-resistant mineral wool. Firestop packs should be placed in an orderly sequence.

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