66389 - Fire Stop METACAULK MC150+ 5 Gallon Pail- Rectorseal Plunger Internal Thread: M28 x

Plunger Internal Thread: M28 x 1

Construction: Aluminum cast shear head for durability and lightweight handling

Non-Acidic & Biodegradable: Safe for most metals and surfaces while being environmentally responsible

particularly in gas and oil ignition systems

66389 - Fire Stop METACAULK MC150+ 5 Gallon Pail- Rectorseal Plunger Internal Thread: M28 xThe RectorSeal 66389 Metacaulk 150+ (5 Gallon Pail, 1PK) is a general purpose, intumescent firestop sealant designed for construction joints and through penetrations. Product Overview: SKU: 66389 Size: 5 gallons Color: Red Form: Water based, non sag caulking grade paste Application: Can be applied using a caulking gun, bulk loading gun, trowel, or pumped directly from the pail 1 Features: Fire Rated: Up to 4 hours per ASTM E814 (UL1479) and ASTM E1966