For holes that are not in line with studs use wall anchors made for your wall type drywall plaster or tile.
How to attach vanity tile wall.
Tap the wall plugs into the wall if required so that they are flush with the walls surface.
Place the vanity unit against the wall and use screws to secure the vanity unit in place.
Check the level again before trimming the shims with a utility knife.
Use the stud finder to locate and clearly mark your timber wall studs these will be used to affix and stabilise your vanity unit later on.
For a tile wall first use a tile bit.
Once you re through the tile use a wood bit to drill into the stud.
They won t need to bear the weight of the vanity like a wall hung cabinet needs.
The basin that sits on the vanity has 4 holes with which to connect it to the wall.
These screws only need to keep the vanity against the wall.
Remove the vanity unit and set it aside.
Drill a pilot hole through the vanity back into a stud.
Secure the cabinet with screws.
If there are large gaps at the wall or floor attach quarter round moulding along the wall or floor edge with finishing nails.
I explain how to install a new vanity cabinet.
Carefully mark and cut your pipe holes into the back of the vanity.
Is there any problem leaving the unsealed wall behind the vanity.
Here s how to finish the installation.
How to attach it to a wall that has tile on it.
Flush the heads with the tile.
How would you attach the vanity to this wall.
How to center it under the mirror and light fixture using a tape measure or a poor man s bob plumb.
After a plumber has disconnected the plumbing remove the old vanity from the wall and dislodge any remaining sealant with the scraper selleys silicone remover will help.
Watch out for pipes and electrical cables behind the wall when you drill.
I would go for the plastic expansion anchors.
Just make sure you use anchor long enough.
Step 3 mounting the vanity unit.
If you don t place shims here the screws pull the vanity frame rail to the wall and rack the cabinet out of square.
I m yet to exactly line these up but 2 of the holes would line up with tiles on the outside the other 2 are near the mess.