Expect to use 54 to 60 screws per sheet of backer board.
How to install screws in ceramic tile.
Putting screws into ceramic tile without breaking it may seem impossible at first but if you have the right equipment and do things in the right order you will find that it is actually a very simple process.
Ceramic tile can be drilled with a carbide bit while glass and porcelain call for a diamond tipped bit.
Remove the particleboard and screw the plywood to the floor joists with 1 5 8 in.
Position the screws at least 1 2 inch but no more than 2 inches from the edge of the sheet.
Use 1 1 4 inch screws for 1 4 inch backerboard.
Unlike with drywall you can t just drill the screw straight in because the tiles will crack.
Drive the screws in so that the heads are slightly below the surface of the backerboard sheet.
Drive screws every 8 inches around the perimeter of each board 1 2 inch from the edges and 2 inches from the corners.
Drill screws through the backerboard sheets every 6 to 8 inches.
However this is one procedure you cannot alter successfully.
Have the right bit for ceramic tile.
The screws should penetrate the studs at least an inch but they should be long because you will need to angle at least one of them to drive all three screws into a stud.
Some backer board manufactures have identified the locations on the backer board where the screws need to be placed.
Here are some steps to help you finish this.
Cdx plywood and screw it to the subfloor with 1 5 8 in.
Drywall screws spaced every 4 in.
If the wall is not tiled use the heaviest wood screws that will fit into the holes in the grab bar.
Porcelain tile looks a lot like regular ceramic tile but it s much harder.
Standard drill bits don t work on tile but not to worry.
How to install bathroom accessories on ceramic tile.
Bathroom accessories can be difficult to install on ceramic tile.
A cordless drill may be needed to drive in the screws.
How to drill a hole in ceramic tile.
The tile is difficult to fasten to and choosing a fastener can be tricky.
Use 2 1 2 6 cm.