Use Polystyrene Sheet As Drywall Shim

The structure will be removable for intermittent access.

Use polystyrene sheet as drywall shim.

I have a partial sheet of polystyrene insulation that i plan to cut into a shape to insulate a square hole without permanently filling the hole. Due to factors beyond the control of the drywall doctor we cannot guarantee against improper use or unauthorized modifications of this informati. At 45 inches long drywall shims are the perfect length because they are the width of a sheet of drywall or half of an 8 foot length. Less than that i use construction adhesives which will take out the slop for a 1 16 easy.

This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. I usually have lotsa scrap 1 4 stuff around. Get an 8 level. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.

You may need a skim coat if you are repairing a crack filling a joint or leveling an area with an existing flat surface. Use polystyrene sheet as drywall shim. In either sense shims are cut perfectly to size for working with full sheets of drywall.