Fireplace Mortar - Gray - 10.3 oz. Cartr

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Bulk Pricing:

Below are the available bulk discount rates for each individual item when you purchase a certain amount

  • Buy 2 - 5 and get 2.96% off
  • Buy 6 - 11 and get 6.03% off
  • Buy 12 or above and get 10.01% off

Rutland's Gray Fireplace Mortar is formulated especially to patch fireplace fireboxes and for bonding firebrick to firebrick. Fireplace mortar is a silicate product that when fire cured, sets rock hard - as strong as firebrick itself.

Rutland's fireplace mortar comes in a convenient 10.3 oz cartridge for easy reappointing of fireplace brick. Apply with caulking gun. Mortar can withstand 2000° F. Not for exterior use.

  • Meets ASTM E136-79
  • Withstands temperatures up to 2000° F
  • Available in three colors, black, buff & gray
  • As hard as firebrick after proper curing
  • Adheres well to masonry
  • May be painted when heat cured
  • Does not contain asbestos
  • Requires heat to cure

Additional Information:

View Adobe PDF Icon  MSDS

View Adobe PDF Icon  Technical Data

California Proposition 65 Warning SymbolWARNING: This product can expose you to chemicals including Carbon Black and Crystalline Silica, which are known to the State of California to cause cancerFor more information go to

  • color: Gray
  • 10.3 oz cartridge
  • Withstands 2000° F
  • Not for exterior use

Rutland's Gray Fireplace Mortar can be used to repair cracked or chipped firebrick or to repoint mortar joints between firebricks. Use it to tuckpoint between firebricks and repair broken firebricks where the cracks are 1/8" or less, it can be layered for deeper cracks. It is the best choice for joining masonry to masonry!

  • As hard as firebrick after proper curing
  • May be painted when heat cured
  • Does not contain asbestos
2.00 (in)
2.00 (in)
11.00 (in)
Country Of Origin:
United States
Product Type:
Chimney Maintenance
Lowest Bulk Price:
_Base Price:
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