David Bolton Surface-Mounted Door Closer Selection: The Five Decisions That Determine the Right Unit for Your Opening What This Guide Covers -- and Who It Is For Choosing a surface-mounted door closer sounds straightforward until you are standing in front of a 4-foot exterior fire-rated door in a school corridor or a... ADA compliance NFPA 80 commercial door hardware door closers surface closer selection Sep 10, 2026 Our Blog