Rectorseal 66385 20.2-Ounce Sausage Pack Metacaulk Mc 150+ Firestop Sealant

Metacaulk MC 150+ is an in tumescent, 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.

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