I have been mortaring my soldier course in place and I stopped about halfway through to make sure everything was coming out correctly, and i realized that there will be about a 1 inch gap between the inside face of two of the bricks...the rest of it looks fine. my question is this: is there any harm in filling the 1 inch gap completely with mortar and thus avoid any tricky brick cutting? I'm using a dry premix of Heatstop 50...just in case there are any issues about the materials i am using.
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a quick question about refractory mortar and the soldier course