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.
(Sorry, I hear what is the standard ___ from a lot of clients. Now with that in mind I am going to contradict myself about door height. A standard height for most doors is 6'8 in the US. So the height is mostly the same for any kind of door, but a sliding glass door width can be almost anything. If you are looking to purchase from a big box store, it will probably stock a 5' wide or 6' wide door, but the different stores may have different sizes related to those numbers.