David Bolton Why the Label on a Fire-Rated Wood Door Is the Most Important Thing You Cannot Drill Through What Is a Fire Door Label and Why Does It Matter on Wood Doors? A fire door label is the physical evidence that a door assembly has been manufactured, tested, and listed to withstand a defined fire ex... NFPA 80 fire door compliance fire door hardware label service wood fire doors Oct 15, 2026 Our Blog
David Bolton Why the Core Inside a Wood Door Determines Whether It Earns a Fire Rating What This Article Covers -- and Who It Helps If you are specifying wood doors for a fire-rated opening -- in a school corridor, a hospital stairwell, or a commercial tenant separation -- the single mo... NFPA 80 compliance fire door hardware fire-rated wood doors mineral core doors wood door specification Aug 29, 2026 Our Blog
David Bolton Through-Bolt vs. Sex Bolt for Exit Devices: Which Fastening Method Belongs on Your Door Two Ways to Anchor an Exit Device -- and Why the Choice Is Not Interchangeable This article explains the practical difference between through-bolt and sex bolt (also called barrel bolt or Chicago scre... door hardware fasteners exit devices fire door hardware installation panic hardware Aug 3, 2026 Our Blog