Fill in the gaps of, in a way, 5 letters
Filling material for a tiling job, 5 letters
Floor tiler's material, 5 letters
Mosaic artist's material, 5 letters
Tile border, perhaps, 5 letters
Tile-setter's bucketful, 5 letters
A thin mortar that can be poured and used to fill cracks in masonry or brickwork, 5 letters
Tiler's assistant, perhaps, 7 letters
Rules regarding tile setting?, 9 letters
Fillings between tiles, 6 letters
Fills cavities with mortar, 6 letters
Fills fissures, as between tiles, 6 letters
Fills, as cracks between tiles, 6 letters
Fills, as masonry joints, 6 letters
They fill some cavities, 6 letters