See how GRABO can be of good use when building a shower. Lifting the tile onto the wall, the tiler can hold it firmly in place as the mastic dries and his colleague wipes down the sides of the tile. Securely held on the wall by GRABO, the tiler uses his free hand to firmly set the sides in place and make sure the tile is stuck on properly. When adding tiles onto a bathroom wall, or any wall for that matter, they need to be securely set in place by holding them until the mastic dries. If not, gravity will be pulling at them and the tiles may slip. Using GRABO this won’t be a problem though as you can hold the tile in place for a longer period of time.