rails may be specified in stainless steel, Fused Metal or Elemental Metal. When unusual or special door usage conditions are encountered, contact a representative member of the Steel Door Institute for consultation and guidance. Stile & Rail Doors combine visual sophistication with extraordinary design. Where optional door levels and models are indicated, further analysis on an individual job basis is recommended. Table 2 is a reference aid matching standard duty, heavy duty, extra heavy duty and maximum duty doors with general usage requirements within the classification of buildings. When stainless steel doors and frames are required, Stiles works closely with designers to produce entrances that are as functional as they are beautiful. Other criteria to be considered in door selection are: conformance to local building codes and fire code regulations sound attenuation and/or insulation requirements and architectural design and appearance. We manufacture built-to-order commercial hollow metal doors and frames in steel, galvanized steel, stainless steel, bronze / brass, and other alloys, many with specific functions such as sound control, bullet resistance, and fire ratings. Selection of standard steel doors for general usage is made by analyzing criteria such as frequency of use, including subjection to and degree of possible abuse. Recommended minimum gauge requirements for the various levels and models of standard steel doors are indicated in table 1. The standard steel door construction models are full flush, seamless and, stile and rail. Standard steel doors are classified in four levels: Level 1 – 1-3⁄4″ and 1-3⁄8″ standard duty, Level 2 – 1-3⁄4″ heavy duty, Level 3 – 1-3⁄4″ extra heavy duty and Level 4 – 1-3⁄4″ maximum duty.Įach of the four levels noted above offer a range of construction models and designs to meet architectural requirements for preference and appearance. To establish guide criteria for the selection and usage of 1-3⁄4″ and 1-3⁄8″ standard steel doors.
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