Hollow Metal Door Frame Rough Opening Size

This also applies to cased open frames.

Hollow metal door frame rough opening size.

For fire rated openings drywall must extend at least 1 2 into frame. Please verify before ordering. The most common sizes are 5 3 4 or 7 3 4. Since the standard face on a hollow metal frame is 2 the outside dimensions of a 3068 welded frame will be 3 4 x 6 10 so this ro dimension will give you 1 4 of play.

These frames do not wrap the wall instead they fit inside the opening. Recommended opening sizes for hollow metal frames. For a 3 0 x 7 0 door frame. For a 3070 single door the frame s rough opening would be 37 1 2 x 84 1 2 four sided borrowed light is frame opening order size rabbet to rabbet plus 2 3 4 1 4 both width and height.

Hollow metal frames that wrap wall. Recommended rough opening sizes for commercial metal door frames. Interior knockdown frames that wrap wall. Interior knockdown frames hollow metal frames that butt wall.

The rough opening would be 38 x 85 for a 3 0 x 7 0 door frame. Using a 3068 door as an example the rough opening size for a welded frame would be 3 4 1 4 x 6 10 1 4. For fire rated openings drywall must extend at least 1 2 into frame. Block or exterior wood stud nominal door size recommended opening 2 0 x 6 8 28 1 2 x 82 1 4 2 4 x 6 8 32 1 2 x 82 1 4 2 6 x 6 8 34 1 2 x 82 1 4 2 8 x 6 8 36 1 2 x 82 1 4 2 10 x 6 8 38 1 2 x 82 1 4 3 0 x 6 8 40 1 2 x 82 1 4 3 4.

The chart below includes hardware locations for the most popular manufacturers of hollow metal doors and the most common door heights. B opening height 1. A opening width 2. 4 1 2 hinge strike comparison for 1 3 4 thick doors.

See allegion s website to learn more about steelcraft hollow metal frames. When replacing a hollow metal door on an existing steel door frame precise measurements are needed to ensure that the new door will fit properly. Flush mount commercial steel door frames with punch dimple anchors should be equal or less than the wall thickness.