Apply a wet wipe using alcohol run across all marble surface area before using the adhesive.
Install marble countertop on the wall.
Pay attention to any wavy walls or out of square walls because they will effect the installation.
Step 7 dry time allow the countertop to set overnight after examining the installation to make sure an even consistent bond has been created.
Step 1 take proper measurements.
Record both the length and width.
Make sure to immediately clean up any excessive glue from the marble countertop.
Marble bathroom countertops come in various textures and color tones.
Measure from the wall to the edge of the cabinets in multiple spots for both the width and length of the countertops.
Lay the marble countertop over the wood vanity to trial fit for shape.
Kyle you should install some sideways 2x4 or metal cross bracing under the plywood that extends from wall to wall at or near the front and again half way back of the countertop.
This will remove all dust.
Measure the area in which you want to install the counter top.
It is best to have a professional adjust the fit.
You need a completely solid and stable base for the marble slab.
Very rarely will you find walls perfectly square and straight.