Description

Our fireplace mortar is used for repairing chipped or cracked firebrick, re-pointing mortar joints between firebricks, and bonding firebricks together. It sets as hard and as strong as firebrick after curing.

Highlights:

• Size : 10.3 Oz
• Color : Buff
• High temperature resistant silicate mortar for repairing cracked and chipped firebrick and repointing mortar joints in a firebox
• When air dried and heat cured, it becomes as hard and strong as firebrick
• Use it to tuckpoint between firebricks and repair broken firebricks where the cracks are 1/8" or less
• Can be layerd for deeper cracks
• Covers approximately 99 linear feet with a 1/8" bead
• Passes ASTM E136 and E72 standards
• Requires heat to cure
• For interior use only
• Rated to 2000°F (1090°C)
• Paintable after curing