Just laid the inner arch bricks with mortar, around a plywood frame for support. In theory, after the bricks+mortar sets for a while (how long? hours?) you should be able to remove the arch form and it shouldn't collapse, right? But I'm chicken. After a few hours of clean up, etc. things still seem a bit wobbly. I might be able to remove the form, and it all might "set" as the shape of the arch should be self supporting, right? In fact, it might be stronger in the end if things settle in-place while the mortar cures (with no form). If I leave the form in-place while the morter cures (overnight? for a few days?) does that lead to weaker joints? I did a little bit of googling and trolling of the forum archives, and was surprised that this wasn't a more obvious/common question. I guess it's just me?
Thanks for any info & advice,
John.
Thanks for any info & advice,
John.
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