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Unread 03-22-2021, 08:11 PM   #10
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Join Date: Jul 2001
Location: Boerne, Texas
Posts: 93,573
Originally Posted by Allen
Notice the spelling of "honour"? Proper spelling.
Only if a fella lives above the 49th parallel, eh?

A factory sealed bag of mortar is suspect and not backed by its manufacturer at one year in most cases and most certainly at three years old, Allen, and I would have considered an opened bag unusable at least two-and-a-half years ago. Up to you, of course, but I'd recommend you make nothing more substantial than yard bunnies with that old mortar.

If you're not concerned with Schluter's warranty, as I would not be, using most available A118.4 mortars is probably going to work quite well for you. There are probably still some out there that could be a bit problematic, but a bit of extra cure time before grouting should deal with even that.

Making up a thick test sample and sealing it in a couple layers of ZipLock baggies will give you some idea how it's likely to act in an airless environment. I make my samples about the size and shape of a tennis ball. See my warranty information below.

My opinion; worth price charged.

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