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Gray Fireplace Mortar - 10.3 oz Cartridge

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SKU: 742701
  • 10.3 oz cartridge
  • Formulated especially to patch fireplace fireboxes and to bond firebrick to firebrick
  • Withstands 2000° Fahrenheit
  • Sets rock hard

Product Description

Repair minor cracks and imperfections in your fireplace refractory with our 10.3 Fluid Ounce Fireplace Mortar in Buff! This heat resistant mortar is ideal for improving the look of your indoor firebrick, and it can be fired as soon as you apply it! After it cures at 1200°F, it will withstand temperatures up to 2000°F and will become as hard as the surrounding firebox to ensure a quality, long-lasting finish! The convenient caulking cartridge can cover up to 99 feet and is versatile enough to patch firebricks or repair masonry on areas 1/8" or smaller--perfect for most any fireplace mortar repair! Once fully hardened you can keep the buff color or paint it to perfectly match your current masonry. Meets ASTM E-136 and E72 non-combustibility standards.

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