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    FireRock Adhesive Fireplace Mortar - 25 Pound Bag

    List Price: $319.99
    Sale Price: $259.07
    You Save: $60.92 (19%)
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    Product Details
    Manufacturer: FireRock
    Part Number: MORTAR
    eFireplaceStore Item Number: FRK-MORTAR


    • Size: 25 Pounds
    • Water-activated
    • Cures in 24-48 hours
    • Prevents smoke and water leakage
    • Low-sand polymer with heat-resistant additives
    • For constructing masonry fireplace and installing firebrick
    * Please Note: FireRock masonry fireplaces must be installed with this mortar. FireRock masonry fireplaces installed with different brands and types of mortar will not be protected under warranty.

    When adding a new fireplace to your outdoor living space, filling your cart with outdoor fireplace accessories is tempting. But have you covered the basics of building your new fire feature? There's no need to fret if not- FireRock makes the process easy with in-house formulas like the FireRock Adhesive Fireplace Mortar. This reliable mortar is just what you need to build your new FireRock masonry fireplace. The specially-formulated polymer creates a long-lasting bond that locks out water when properly applied, and it cures in only a day or two.
    Customer Questions & Answers
    5 Questions & 5 Answers
    Michael S.
    from Harrod, OH asked:
    August 23, 2023
    Can it be used as a scratch mortar for veneer stone?
    1 Answer
    Per FireRock, you can use the mortar for attaching stone veneer to the exterior of a fireplace.
    Submitted by: Kathy O. on August 24, 2023

    Karin J.
    from Columbus, OH asked:
    February 24, 2023
    What is the square foot coverage of a 25-pound bag?

    1 Answer
    The manufacturer does not provide the square footage coverage for the 25-pound bag or mortar. They did state that it can be used with 150 bricks for their fireplaces. 
    Submitted by: Kathy O. on February 24, 2023

    from Nashville, TN asked:
    March 12, 2021
    Can fire rock mortar be used on fire brick?
    1 Answer

    It could be used, yes, as this is its application with the FireRock fireplaces.

    Submitted by: Tyler M. - NFI Master Hearth Professional on March 12, 2021

    Logan S.
    March 8, 2021
    Can this product be used as mortar for new firebox construction?
    1 Answer
    It can be used for such a purpose, but it is intended for use only with the FireRock models.
    Submitted by: Tyler M. - NFI Master Hearth Professional on March 8, 2021

    Scotty A
    from Memphis TN asked:
    February 16, 2021
    Is this mortar the same as refractory mortar?
    1 Answer
    It is a similar type substance, though not exactly the same.
    Submitted by: Tyler M. - NFI Master Hearth Professional on February 16, 2021

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