How big of a hole do I cut for a shower valve?
There is no official size for it. As long as the trim can cover it, it’s good.
How do you cut a hole in a tiled wall?
Use a ¼-inch masonry bit to drill a series of closely-spaced holes around the circle. Then take a hammer and very lightly tap the tile along the ring of holes. Tap inside the outline and be patient, as it could take a couple of minutes before the center of the hole breaks free.
What height is a shower valve?
Take into consideration whether the controls work the tub and shower, since you’ll want to mount them lower to accommodate tub users. For shower-only controls, between 36 and 48 inches from the floor is common.
How do you cut a hole in fiberglass?
In most cases, a sharp twist bit is all that’s needed, but a hole saw can be used if the radius is large. A rechargeable electric drill makes short work of the task. Drill carefully through the fiberglass at each corner. Usually, you can eyeball where the point of the drill needs to be placed before drilling the hole.