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Answer
What types of steel are used in commercial steel doors?
Resolution:
The three most common steel types are cold rolled steel, galvannealed steel, and galvanized steel. Cold Rolled Steel (CRS) is suitable for most interior applications, is uncoated steel a...:
Are factory finished doors and frames available from Steelcraft?
Resolution:
Factory finished painted doors are available from Steelcraft. Frames "are not available" factory finished from the factory.Doors are offered in variety of standard colors or can be finish...:
RU strike identification for early Corbin Russwin applications.
Resolution:
The RU lock can be requested as a retrofit for early Corbin Russwin Unit locks. Several types of strikes are offered depending on the strike conditions but two are very similar with the e...:
What cylinder do I use on a Von Duprin Keyed Removable Mullion?
Resolution:
see installations instructions here :
FERROUS METAL
Resolution:
CRS, Galvanized, Galvannealed:
COLD-ROLLED STEEL
Resolution:
CRS; steel types:
What mortise cylinder cam is needed for KR4023?
Resolution:
The KR4023 mullion requires a 1-1/4" mortise cylinder with straight cam. This is stated in box 7 on the first page of the KR4023 mullion instructions.: