Shower Tile Thinset Or Mastic

It is applied to the substrate with a notched trowel.

Shower tile thinset or mastic. After tile board he would thinset the seams with fiberglass tape and then skim coat the entire board with modified thin set. Although thin set is not waterproof it is isn t water soluble. He then set the tile with latex mastic. When moisture is present it will not return to a liquefied state as mastic would.

Thinset mortar is your default tile mortar for most indoor and outdoor applications. 99 of tile setters will most likely refuse to use a mastic in a shower situation. Now on with the battle of mastic vs. Mastic is a vague term that generally refers to fast grab glues for tile.

Shower floors thinset. To demonstrate the difference between mastic and powdered thinset i set up two pieces of hardiebacker. Thinset tile mortar has a smooth slippery consistency similar to mud. When you thinset the seams typically there is a slight hump so the skim coat evens the surface out and makes it flatter.

Thinset tile mortar. Mastic is great for dry locations its a terrible idea for a shower. Shower walls thinset. Today the term mastic is infrequently used and it is difficult to find tile adhesives that go under the mastic banner at your local.

This skim coat has to dry properly. Powdered thinset is by far a 10x better product. Another advantage is that it s inorganic and thus is not a food source for mold growth.