Hold the plastic up over the wall you want to cover and use a utility knife to cut around extrusion such as windows and pipes.
Gluing plastic sheet to wall.
When gluing plastics together always work in a well ventilated area.
Start along the top edge with a thick bead of adhesive and work downwards.
Before working with any kind of plastic be sure to put safety first.
Wait 3 to 5 minutes for the polishing compound to set.
Here is more detail about what kind of glue to use on formica.
Plastic adhesives release strong fumes while a small gluing job is low risk breathing these fumes for a long time can cause lightheadedness headaches and other complications.
Apply a small amount of polishing compound to the plastic according to the label directions.
Usually there should be two coats applied before sticking the mica because drywall is somewhat porous.
Hold plastic sheeting up to the wall and press into place when properly positioned.
Apply the adhesive in short zigzags or waves.
Apply construction adhesive to the wall.
The glue should be applied with a sprayer paint roller or brush.
Place the first sheet against the back wall of the shower and set a level on top.
Contact adhesive is the industry stander for gluing formica to drywall.
Start at the top of the wall and work over then down both pressing pulling and smoothing as you go.