The 3M™ Fire Barrier Putty Sleeve Kit DT 400 allows for both new and retrofit data and telecom cable firestop installations. It features a 4 inch diameter by 12 inch length sleeve (101.6 mm x 304.8 mm).The 3M Fire Barrier Putty Sleeve Kit DT 400 is ideal for high traffic cable penetrations. It can be used as a one-piece sleeve or the sleeve may be split/hinged for existing cable installations. The sleeves can be easily installed in openings that are either tight to the sleeve or irregular. The 3M Fire Barrier Putty Sleeve Kit DT 400 can accommodate oversized openings (up to a one-inch larger diameter than the 3M Fire Barrier Putty Sleeve diameter).
Blank sleeve (0% cable fill) accommodates future cable installation
No gasket required
Ready-to-install kit for a complete cable or blank firestop installation
Suitable for installation in gypsum wallboard and concrete walls or floors
Tested up to 4 hours for fire-rated through penetration systems in accordance with ASTM E 814 (UL 1479)
Two-piece split/hinged design for easy retrofit installation on existing cables
