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OT - Refractory Mortar

bhugg
bhugg Posts: 317
in EggHead Forum
I used Heat Stop Premix to fix some bricks in my indoor fireplace. The joints are about 1" thick. If anyone has any experience with this product, how long does it need to cure?
Large BGE Dallas, TX
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  • RRP
    RRP Posts: 26,481
    edited November 2015
    Never heard of the product, but I found this on their site:
    Q: After Heat Stop brand products are installed, how long should I wait before applying heat?
    A: With regard to firebrick, clay flue lining or any of the Heat Stop refractory mortar or castable products, simply wait one day after all the masonry in the fireplace or chimney has been installed.

    WHOA...1" thick??? Sounds like that is way way thicker then they advise!

    TIP when using Heat Stop Premixed.  For best results:

    1. Mix all of the contents in the container thoroughly before using.
    2. If, after mixing, the product still appears dry, add a little clean water and remix it thoroughly.
    3. For firebrick installation, keep the joints 1/16" to 1/8" thick.

    This product may take longer to dry if the joints are thciker than 1/8", and/or if conditions are extremely humid (such as after a recent rain).  To enhance the drying in such conditions, open the damper, place a fan in front of it, or use other means to get some air or heat passing by the installation.  

    Re-gasketing the USA one yard at a time 
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