What is MU series

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MU16, MU14, MU Series; Multi Use, Multi-use, Multiuse
Out of plumb (also referred to as twisted) frames usually cannot be adjusted. "Out of Plumb or Twisted frames (or jambs)" is a condition created by improper wall construction and/or improper insta...
This condition (toed in or toed out jambs) is usually not found until the door is installed. Frames which have toed in or toed out jambs have been installed out of tolerance. It is the resp...
DW and K-Series frames are designed to slip onto a stud wall after the wall is finished (painted, wall papered, etc). Walls can be either wood stud or steel stud Used only for interior applicat...
Fire Rated three (3) frames are available in the following maximum door opening sizes: F and FN-Series frame: 4' 0" X 10' 0" single door opening 8' 0" X 10' 0” double door opening MU-Ser...
It is always recommended to point installers to the industry installation manuals which are very comprehensive and are ANSI documents. SDI (Steel Door Institute) installation manual can be found...
It is the responsibility of the installing contractor to install all material in accordance with SDI or HMMA installation standards and tolerances. Out of square frames which are installed out of t...
Lead lined frames are intended for use in the X-ray Room locations in Health Care facilities. Frames are provided by Steelcraft prepped as follows:  Frames are supplied knock-down (KD). Fram...
Communicating Frames are hollow metal frame fabricated such that a door is installed in each rabbet of a double rabbeted frame (2 doors total) to facilitate dual access and control of the opening, ...