150Metacaulk® Firestopping Sealants

Metacaulk® MC 150+ is an intumescent, one-component, general purpose, fire-rated sealant and smoke seal for construction joints and through-penetrations. A water-based, non-sag caulking grade sealant that is easy to apply as well as to retrofit. An economic choice for most common applications. Sound Transmission Class (STC) rating 65, Tested in a UL 411 wall assembly/section to ASTM E90.

fbc-logo-150x86 c-ul-us1 fm-approved

FBC System Compatible indicates that this product has been tested, and is monitored on an ongoing basis, to assure its chemical compatibility with FlowGuard Gold®, BlazeMaster® and Corzan® pipe and fittings.

FBC, FlowGuard Gold®, BlazeMaster® and Corzan® are licensed trademarks of The Lubrizol Corporation.

Product Codes And Case Sizes
Product CodeSizeQuantityUPCInterleavedDimensionsCubic Feet
66648 10.3oz cartridge 12 021449666480 10021449666487 8x6x12 .34
66385 20.2oz Sausage Pk. 12 021449663854 10021449663851 9x14x7 .51
66383 30oz cartridge 12 021449663830 10021449663837 11x9x17 .97
66389 5 Gallon 1021449663892 NA13 diax14 1.08