Mortar vs. Mastic
I am supposed to "help" install some wall tiles, on drywall, around a gas fireplace.
The recommendation from HD is to use mortar, instead of mastic, because of the heat.
I wouldn't think there is much heat on the outer face of a gas fireplace, but..............
I have installed wall tiles on drywall with mastic, and floor tiles on plywood with mortar, but have never used mortar on a wall, and certainly not on drywall.
What advice does anyone have?
It seems to me that mortatr on drywall should need some sealant.
No? Yes ?
And doesn't it tend to "slip"?
In an age when scientists are creating artificial intelligence, too many of our educational institutions seem to be creating artificial stupidity. - Thomas Sowell