Attic and basement to see where they go up or down through framing.
Hole through bathroom wall.
The holes must follow a straight line across the floor and must ascend or descend so the pipe will be sloped 1 4 inch per foot.
Whether it s a newly tiled bathroom or an existing one having to put holes in tiled walls is a common task.
This in turn prevents wiggly accessories which drive me nuts.
Into any walls that connect to your bathroom.
But when it comes to venting a bathroom fan with the interior wall or you want to install a bathroom exhaust fan with light and heater then it s a bit.
Wood blocking provides solid backing for the screws.
Running drainpipe through joists calls for meticulous work.
Almost anything that mounts to the wall from installing hardware for toilet paper rolls and soap dishes to a new medicine cabinet is going to require drilling through tile.
However if there s no blocking in the wall then we recommend drilling holes directly in the tile.
Simply bore a hole through the wood that s the same diameter as the drill bit you ll be using and place this over the area on the tile using the hole as a guide for the drill by holding it in place with your free hand.
Of course appropriate tools will accelerate your working speed.
If you re a planner and know where bathroom accessories are going it s a good idea to have wood blocking in the wall.
If joists are 16 inches on center and pipes run across them at a right angle holes should differ in height by about 3 8 inch.