Apply the adhesive in short zigzags or waves.
Gluing plastic sheet to wall.
Contact adhesive is the industry stander for gluing formica to drywall.
Usually there should be two coats applied before sticking the mica because drywall is somewhat porous.
Apply construction adhesive to the wall.
The glue should be applied with a sprayer paint roller or brush.
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.
Hold plastic sheeting up to the wall and press into place when properly positioned.
Start at the top of the wall and work over then down both pressing pulling and smoothing as you go.
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.
Place the first sheet against the back wall of the shower and set a level on top.
Here is more detail about what kind of glue to use on formica.
Wait 3 to 5 minutes for the polishing compound to set.
Rub the compound onto the surface of the plastic a circular motion.
When gluing plastics together always work in a well ventilated area.
Clean the surface of the plastic to remove any grime and dirt using dish detergent and warm water.