1. First Measure the opening of your dryer vent It should be 4 inches Second Remove the dryer vent cover from the frame by unscrewing the two screws Three Slide the pipe into your dry vent and push it flat to the wall Four Using wood screws if the side of your home is wood or masonry tapcon screws if the side of your home is brick or masonry Drill or screw through the holes of frame Tighten the screws snug to the frame Five Reinstall the dryer vent cover to the frame