Door Installation & Maintenance

Single and double fire-rated steel door assemblies with frame glazing and finish specification samples

Door Buyer Guides, Door Installation & Maintenance, Fire Doors, Fire Rated Door Guide, Long-Tail Door Keywords

Fire Door Gaps and Clearances: How to Review Head, Jamb and Bottom Gaps

Editor / August 5, 2026

Learn how to review fire door gaps at the head, jambs, meeting edges and bottom using consistent measurements and the approved assembly requirements.

Single and double fire-rated steel doors in commercial building applications

Door Buyer Guides, Door Installation & Maintenance, Fire Doors, Fire Rated Door Guide, Traffic Keywords

Fire Door Inspection Checklist: What to Check Before an AHJ Visit

Editor / August 3, 2026

Use this fire door inspection checklist to review labels, clearances, hardware, glazing, closing, latching and field modifications before an AHJ visit.

Bastion Door

Bastion Door supplies fire-rated steel doors, hollow metal doors, hospital doors and project door packages for overseas contractors, distributors and building projects.

Send a door schedule or drawing set to start a practical quotation review.

Products

Fire Rated Steel Doors
Hollow Metal Doors
Wooden Fire Doors
Hospital Doors
Cleanroom Purification Doors
Lead-Lined X-Ray Doors

Applications

Doors for Hospitals
Doors for Schools
Hotels & Apartments
Factories & Warehouses
Cleanrooms & Pharmaceutical
Radiation Shielding Rooms

Factory Location

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