Hollow Metal Door Window Sizes

Commercial steel window frame 4 sided hollow metal borrowed lite.

Hollow metal door window sizes.

Four sided frame without a door opening prepared for glass installation in the field. You may hear these doors and frames referred to as steel or hollow metal. Door frame corner connections may be welded or knock down kd for field assembly. When repairs are necessary they typically occur in the field at relatively low cost.

Heavy duty steel door with glass kit for commercial industrial and institutional applications. The borrowed light can be designed for one or multiple pieces of glass. The gray primer finish is suitable for painting. The frame members are to be made of 16 gauge min steel with 2 wide faces and 1 2 deep returns with 3 8 min wide back bend.

Properly installed and maintained hollow metal doors often last 30 years or longer. Steel doors have a low total cost of ownership compared to other door materials. Standard metal doors are 1 3 4 thick and are prime coat painted. The maximum allowable frame size for doors windows or door window combinations is 8 wide x 8 high inside opening.

The frame can be located in the wall off the floor or sit on the floor and extend to the ceiling above. Hollow metal doors are made of channel reinforced steel sheets and filled with insulation materials such as polystyrene kraft honeycomb or polyurethane.