Extend the mark with a level.
How high to hang a wall mounted bathroom vanity.
Draw a second line 5 inches lower for the bottom of the brace.
If the piece measures 20 inches high and you want a height of 31 inches you must mount it 11 inches above the floor.
For a 36 inch high countertop make a second mark 34 inches above the floor to represent the top of the 2x6 brace.
Mark with a pencil to indicate the bottom edge of the light.
You must take into account the existing height of the piece when you install one in your bathroom.
Mark the wall and cut a hole you need to cut a horizontal hole exactly the same size as your piece of wood at the height of the clips on the back of the vanity you will need to figure that height out yourself it will depend on the exact model of your vanity and how high you want the top of your vanity to be.
Therefore while the average floor mounted vanity may cost about 100 to install a wall hung cabinet will likely take a carpenter 3 to 4 hours to install properly at a rate of 70 an hour for a total of 210 to 280 for installation.
Place the light about 40 inches above the top of your vanity.
Install the light above the medicine cabinet or mirror at a height of about 75 to 80 inches from the floor.
Mark the vanity s width above the rough plumbing.
Measure 3 inches from the top of the mirror or 7 feet vertically from the floor if the mirror is not already in place.