Codes & compliance resources
Know what the opening must do before changing it.
Fire-rated doors, egress hardware, and accessibility measurements carry requirements that outrank preference. These guides explain the baseline in plain language so property teams can plan work, ask better questions, and know when to stop and verify with the authority having jurisdiction.
Start with the requirement in front of you.
Each guide covers one requirement family: what it protects, the measurements and tests involved, and which decisions belong to approved plans, product listings, and the authority having jurisdiction.
Fire-rated door requirements
Understand what makes a commercial door fire-rated, how to verify door and frame labels and listed hardware, and how to confirm the opening still closes and positively latches.
↗Field guideCalifornia commercial door egress
Understand the five-point egress baseline the 2025 California Building Code applies to commercial doors: free egress, one-motion release, panic hardware listings, electrified release, and special locking approvals.
↗Field guideCalifornia door accessibility measurements
The 2025 California Building Code door measurements — clear opening width, hardware height and operation, opening force, closing speed, thresholds, and push-side surfaces — explained for property teams.
↗Unsure what a specific opening requires?
Elwin reviews the door, frame, hardware, labels, and system conditions together, and scopes the work around what the opening must do—not just what it has.