Midrexâs primary business is direct reduction ironmaking. We build DRI plants that work day in and day out, year after. year to provide value for our clients so that they can make. the most of their investment and maximize their profits for. years to come. The MIDREXÂ® Process 2. The MIDREXÂ® Process.
Quick Answer. The maximum interior height of an entry door threshold is 1/2 inch, and up to 3/4 inch on exterior siding doors where it is essential to keep water out, as stated by the United States Access Board. These height limits improve wheelchair access to buildings.
ENTRY DOOR Pella 201 Architectural Design Manual Division 08 Openings Windows and Doors www.PellaADM.com Not to scale. 6'8 and 8'0 fiberglass doors and sidelights are available in special height cut downs up to 3 on 1/4 increments. SIZE TABLES In-Swing Doors and Sidelights Masonry Opening Dimensions CLAD EXTERIOR UNITS: Use frame dimension plus dimensions below. frame Rough Masonry Brickmould Width Height Width Height STD + 3/4 + 1/2 + 3-1/8 + 1-9/16