Re: stucco advice RC,
Portland is way too hard, too brittle for what you want to do. If you can't find "white" cement, which has a high proportion of lime, use Type N. It's much more flexible and water resistant than Portland, what with the Sealbond and other additives in it. I'd really urge just about everybody to steer clear of Portland for oven use; just too hard and unforgiving.
Jim
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