David Bolton What CSI MasterFormat Section 087100 Actually Controls (And Where Hardware Specs Break Down) What This Article Covers and Who It Helps If you are writing, reviewing, or bidding a project with a door hardware specification, the section number on the cover sheet is almost certainly 087100 — Doo... 087100 CSI MasterFormat commercial construction door hardware specification writing Aug 14, 2026
David Bolton What Section 081100 Actually Requires From Your Steel Door Spec Before the Shop Drawings Come Back Wrong Why Steel Door Specs Under Section 081100 Break Down Early This article is for architects, commercial contractors, and facility managers who write or review specifications for hollow metal doors under... Section 081100 commercial door hardware hollow metal specification writing steel doors Jun 30, 2026
