A peephole does not necessarily invalidate the fire rating of a door. Our doors, installed as part of a fire safety upgrade some 10 years ago, came with peepholes, and have passed successive inspections ever since.
A peephole does not necessarily invalidate the fire rating of a door. Our doors, installed as part of a fire safety upgrade some 10 years ago, came with peepholes, and have passed successive inspections ever since.