3M™ Fire Barrier Cast-In Tub Box Assembly 3TB, Foam, 3 in

Manufacturer: 3M
Product Description

Tub Box Assembly fastens to a 2 in. metallic 3M™ cast-in device and creates a void for plumbing access. Remove 2- or 3-inch foam insert after slab is cured to create 2- or 3-inch deep void 6/case.

$124.98
  • Firestop tested for up to 3 hours, when used in conjunction with a 2-inch (50.8 mm) 3M™ Fire Barrier Cast-In Device for metallic and non-metallic penetrations, in accordance with ASTM E 814 (UL 1479)
  • Easily adjusted height accommodates concrete thickness from 4-1/2 in. to 8 in. (114.3 mm to 203.2 mm)
  • Easy-to-install, annular space allows for hassle-free pipe installation
  • Accommodates 1-1/2 in. and 2 in. pipe
  • UL Classified, universally recognized independent test agency
  • Factory made, helps assure consistent quality
  • Red color easily identifiable as fire-rated
The 3M(TM) Fire Barrier Cast-In Tub Box Assembly, when used in conjunction with the 3M(TM) Fire Barrier Cast-In Device, accommodates concrete thickness as thin as 4-1/2 in. (114.3 mm) and pipe sizes from 1-1/2 in. to 2 in. (38.1 mm to 50.8 mm). Available with 2 in. (50.8 mm) or 3 in. (76.2 mm) foam insert depending on desired depth of void. Note: The 3M(TM) Fire Barrier Cast-In Tub Box Assembly is used specifically with a 2 in. 3M(TM) Fire Barrier Cast-In Device for Metallic Penetrations. When used together, there may be instances that allow for non-metallic penetrants to pass through the device - see system details for approved penetrants.

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