FireRock 24 Count Chimney Block Kit

Features

• Color: Grey
• 24-count
• 0" clearance
• UL 127 compliant
• 15" diameter flue
• Weight: 75 lbs each
• No flue liner necessary
• Each block: 22" W x 6" H x 22" D
• Approved for indoor and outdoor fireplaces
• Independently tested at 3,000 PSI compressive strength
• 1 bag of FireRock mortar needed for every 6 masonry chimney blocks
• Use with FireRock's Brick Flange to add a brick, stone, or stucco veneer above the roofline