Non-fire-rated hollow metal doors

Only if the fire strategy confirms that the wall has no fire-resistance requirement. Stair cores, protected corridors and compartment walls almost always need fire rated doors, tested and certified as complete assemblies. A standard steel door may look the same, but it has no tested seals, rated hardware or certified construction. For those openings, specify our fire-rated hollow metal doors instead.

It depends on traffic and abuse. Under ANSI/SDI A250.8, face-sheet thickness rises with the duty level: lighter sheets such as 20 gauge for low-traffic rooms, 18 gauge for general commercial use, and 16 gauge or heavier for plant rooms, schools and industrial areas. A lower gauge number means thicker steel. Tell us how the door will be used and we will recommend a construction.

Both are zinc coatings that protect steel from corrosion. Galvannealed steel is heat-treated after coating so the zinc alloys with the iron, which gives a matte surface that holds paint well. That makes it a common choice for painted doors in humid rooms and external locations. Uncoated cold-rolled steel is fine for dry interiors once it is primed and painted.

Welded frames arrive as one rigid unit and are usually set in place before masonry or blockwork is built around them, which gives the strongest result for heavy-use doors. Knock-down frames come in pieces and are assembled around a finished opening, which suits drywall partitions and refurbishment work. Your wall type and site sequence normally decide the choice.

Lead time depends on quantity, sizes, finish and hardware preparations. Within Jordan, doors are typically delivered within 1 to 2 weeks; for export, lead time depends on quantity. Send us your door schedule and drawings, with any louvre or glazing requirements, and we will confirm a programme with your quotation. Ordering frames first is common, so they can be built into masonry walls while the leaves are still in production.