Yes this is going to be a warm weather job.
I seem to remember the type N mortar is the "softer" and less structurally strong mix. I never heard of adding acrylic modifier, I'm guessing it makes it more water resistant?
What problem does too hard type S cause?
I seem to remember the type N mortar is the "softer" and less structurally strong mix. I never heard of adding acrylic modifier, I'm guessing it makes it more water resistant?
What problem does too hard type S cause?