66383 - Fire Stop METACAULK MC150+ 30 OZ - 12PK - Rectorseal designed to make fiber cement

designed to make fiber cement siding installation faster and more accurate—especially for solo installers

offering enhanced control and reduced system shock during operation

Stem Type: Double Stem / Double Spiral (DS/DS)

The built in voltmeter helps verify proper voltage/power to the heater

Equivalent: Often listed as a Crown equivalent part number 21532

66383 - Fire Stop METACAULK MC150+ 30 OZ - 12PK - Rectorseal designed to make fiber cementThe RectorSeal 66383 Metacaulk 150+ Red (30 oz Cartridge, 12PK) is a general purpose, intumescent firestop sealant designed for construction joints and through penetrations. Product Overview: SKU: 66383 Size: 30 oz per cartridge Pack Size: 12 cartridges per case Color: Red Form: Water based, non sag caulking grade paste Features: Fire Rated: Certified for up to 4 hours per ASTM E814 (UL1479) and ASTM E1966 (UL 2079) Flexible & Elastomeric: Cures to a