You told to use straight lines with the thin set then move the tiles across.
What Trowel To Use For Wall Tile. Below i have some general guidelines on which trowel size to use for different situations. What you want to do is put down enough mortar to get complete coverage underneath your tile.
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A wide variety of wall tile trowel options are available to you, such as handle material, trowels features, and blade material. Common varieties include the masonry trowel, garden trowel, and float trowel. To develop its adhesive properties, thinset must slake—allowing the mixed thinset to rest for about 10 minutes before remixing for use.
Any thoughts on how to correct this?
Using your notch trowel, spread the mortar on the portion of the wall where you are going to lay your first few tiles. The ceramic tiles are being installed in the shower and we are using mastic (omni grip) as the adhesive. Qep tile tools 49716 proseries notched trowel Our tile size is 13 x 8 inches.