There are two specific ways of installing corner guards. You can install your specific wall protection with either of the following 2 methods.

Adhesive Type Installation Instructions for PVC Corner Guards

Wall must be clean and dry. If necessary, remove all traces of grease and oil from wall surfaces using a good cleaning solvent.
To install the corner guard, apply heavy-duty adhesive on each wing in a zig-zag pattern. Press corner guard firmly against the wall.
Position corner guard on the wall and move around slightly to spread adhesive, then remove corner guard from the wall for one minute to let the adhesive set and then reapply to the wall.
After the corner guard is installed, remove protective PVC covering.
SC40 pvc corner guards installed

Screw Type Installation Instructions for Aluminum Corner Guards

Place corner guard on a wall at the desired location and mark with a pencil at each mounting hole.
Remove the guard and drill screw holes at each mark.
Wipe down the wall to remove any dust and plaster.
Replace the guard and attach it to the wall with the supplied screws.
After the corner guard is installed, remove protective PVC covering.
SL55 aluminum corner guards installed