Hollow Metal Door Frame Rough Opening Sizes

Recommended rough opening sizes for commercial metal door frames.

Hollow metal door frame rough opening sizes.

B opening height 1. Please verify before ordering. Learn about hollow metal frame anchors in our previous blog post. Interior knockdown frames that wrap wall.

Rough opening guide for knockdown drywall frames overall frame size 2 on width 1 height varying face dimensions will not change rough opening sizes in most applications. For a 3 0 x 7 0 door frame. This also applies to cased open frames. For fire rated openings drywall must extend at least 1 2 into frame.

Flush mount frames with punch dimple anchors. 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. Standard hollow metal door frames are constructed from 16 gauge roll form steel but can also be manufactured in 14 gauge or 12 gauge metal thicknesses. 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.

A opening width 2. Hollow metal frame applications for existing openings. Slip on kd drywall frames 2. The rough opening would be 38 x 85.

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