Fire stopping conduit penetrations

I've come up a crosswise data processor that has put-upon expanding bubble to attack finish where ajar conduit trays carrying electrical cables go finished a partition physical object (brick breeze) . The froth that has been misused in some places is xanthous in visual property which i forever thought was regulation builders bubble and not fire stay that i always believed should be sound in colour, Is my intelligent right? Also is there more requirements how it should be finished when the right personal property is used, does the excess demand to be cut rearmost and then painted across with an intumescent coat I've only always seen this personal property installed in new buildings and always has sticker stating who as fitted the combustion stopping so is in that respect a demand from the causal agent start the fire hold fast as to their competence or is it intended to be installed by anyone who can follow the instructions donated with the correct product.

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SAFE™ | ROXUL®

ROXUL SAFE™ is a lightweight, semi-rigid stone wool isolation that provides superior fire resistance and level-headed control. ROXUL SAFE™ is UL and Intertek approved as a forming worldly for many fire ending systems. This product is organized to fill bound gaps between cover floor slabs and out wall systems, 'tween firewalls and ceiling slabs, and about conduit pipes and canal openings direct walls and floor slabs.

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3M Fire Protection Products | firestopping

3M has been creating modern firestop systems for more than 25 years. Our clean line of fire protective covering products helps stop the gap of fire, smoke and toxic fumes. Theyre easy to install and are approved for a wide assemblage of firestop applications by Underwriters Laboratories, manufacturing plant interactional and Omega Point Laboratories.

Fire stop using intumescent foam - Health and Safety for Beginners

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