3M™ Fire Barrier Putty Sleeve Kits
These fire barrier sleeve kits can protect existing cable penetrations through walls or floors and be used as a one-piece sleeve or the sleeve may be split/hinged for existing cable installations. Tested up to 4 hours for fire-rated through penetration systems in accordance with ASTM E814 (UL 1479), these putty sleeve kits (PDF, 651.74 Kb) are ...
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