David Bolton No Knuckles, No Gaps: How Concealed Hinges Work on Flush Wood Doors What This Article Covers Concealed hinges -- sometimes called invisible hinges or European-style hinges -- are fully mortised into both the door edge and the frame so that no knuckle, barrel, or pin i... architectural hardware concealed hinges door specification flush wood doors invisible hinges Aug 11, 2026 Our Blog
David Bolton Section 081400 Wood Doors: What the Spec Division Actually Controls (And Where Hardware Coordinators Get Burned) What This Article Covers and Who It Helps CSI MasterFormat Section 081400 governs the procurement, fabrication, and installation of architectural wood doors. If you are a specifier, construction manag... Section 081400 door specification fire-rated doors hardware coordination wood doors Aug 8, 2026 Our Blog
David Bolton Book Match, Slip Match, and Plain Sliced: How Wood Veneer Match Types Change What Your Door Actually Looks Like Why Veneer Match Type Is One of the Most Overlooked Line Items on a Door Schedule When architects, facilities managers, and commercial contractors specify architectural wood doors, most of the early c... architectural wood doors door schedule door specification veneer matching wood doors Jul 30, 2026 Our Blog
David Bolton Stave Core Wood Doors: What the Core Actually Does and When to Specify It What This Article Covers This post explains what a stave core wood door is, how it compares to other flush door cores, and which applications and hardware conditions make it the right call. It is writ... architectural doors commercial door hardware door cores door specification wood doors Jul 18, 2026 Our Blog
David Bolton When to Step Up to a 5x4-1/2 Heavy Weight Hinge: Door Weight, Width, and Frequency Explained The Right Hinge Grade Is Not Always Obvious at Bid Time This guide is for contractors, facility managers, and architects who need to know exactly when a standard-weight 4-1/2 x 4-1/2 hinge is no longe... commercial door hardware door specification heavy weight hinges hinges stainless steel hinges Apr 23, 2026 Our Blog
David Bolton How to Specify Door Perimeter Weatherstrip: A Practical Guide for Commercial Projects Getting Door Perimeter Seals Right the First Time Perimeter weatherstrip is one of the most overlooked line items in a commercial hardware specification, yet it directly affects energy performance, oc... commercial door hardware door perimeter seal door specification gasketing weatherstrip Apr 22, 2026 Our Blog
