Kit allows for both new and retrofit data and telecom cable firestop installations.
Ideal for high traffic cable penetrations. 3M™ Fire Barrier Putty Sleeve Kit DT 400 with 4” diameter x 12” length sleeve (101.6 mm x 304.8 mm). 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. Can accommodate oversized openings (up to a one-inch larger diameter than the 3M™ Fire Barrier Putty Sleeve diameter).
Two-piece split/hinged design for easy retrofit installation on existing cables
Suitable for installation in gypsum wallboard and concrete walls or floors
No gasket required
Ideal for existing through-penetration openings with cables, future cable installations (blank openings) or new construction through-penetration openings for power and communication cables. The cable types can be a mixture of the following:
100 pr. No. 24 AWG copper conductor telephone cables
1/C-750 kcmil copper conductor power cable
7/C-No. 12 AWG copper conductor control cables
3/C-No 2/0 AWG aluminum conductor SER cable with No. 1 AWG aluminum ground conductor
No. 23 AWG Category 6 data cables
Fiber optic cable
Note: 4" diameter 3M™ Fire Barrier Putty Sleeve Kit DT 400 requires 3M™ Fire Barrier Packing Material PM4 or 4 pcf mineral wool batt insulation, consult applicable system details)