Fire Stop METACAULK MC150+ 5 Gallon Pail- Rectorseal Application: For 1-1/4" expansion valves

Application: For 1-1/4" expansion valves with extended bonnet

Suitable for a wide range of standard oil burner applications

Construction: Electron beam-welded high-speed steel cutting edge

leaving a perfect re-thread

Fire Stop METACAULK MC150+ 5 Gallon Pail- Rectorseal Application: For 1-1/4" expansion valvesThe 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