Hollow Metal Frame with Sidelite and Transom

Hollow Metal Frames

Hollow Metal Frames - Difference between KD DW (Knockdown Drywall) and welded (conventional) frames, the common anchors for both, frame gauges available, and detailed rough opening sizes. Why does a KD DW frame have a double back bend?

Anchors - Enlarged views, for a better understanding, of conventional welded frame anchors.

Profiles & Jamb Depths - Conventional Welded Frames for Interior Stud Walls or Exterior Walls. Note the difference between "throat size" and "jamb depth".

Profiles & Jamb Depths - Knockdown Drywall Frames for Interior Stud Walls. A better view of exactly what the jamb depth refers to and what the throat is. Also shows fully what a double backbend is.

Fire Rated Hollow Metal Frames - Complete fire rated frame information including A, B, and C label frames, along with the requirements of a fire rated opening.

Hurricane Wind Load Testing - FBC wind load approvals on our doors and frames, difference between FBC approvals and NOA's, wind speed to design pressure chart, wind-borne debris region. See what HVHZ and BWS mean.

Galvannealed Hollow Metal Frames - Coating designations, coating weights, types of zinc coating. See the difference between A40 and A60.