Figure 6-33.—Commercial hardware.COMMERCIAL/INDUSTRIAL HARDWAREThe items of commercial/industial door hardwareshown in figure 6-33 are usually installed in commercialor industrial buildings, not residential housing. Theseitems are used where applicable, in new construction orin alterations or repairs of existing facilities. Most ofthese items are made for use in or on metal doors, butsome items are made for wood doors. Follow themanufacturer’s installation instructions. Recommendeddoor hardware locations for standard steel doors areshown in figure 6-34. Standard 7-foot doors are usuallyused in commercial construction.INTERIOR WOOD TRIMLEARNING OBJECTIVE: Upon completingthis section, you should be able to identify thetypes of interior wood trim and the associatedinstallation procedures.The casing around the window frames on theinterior of a structure should be the same pattern as thatused around the interior doorframes. Other trim used fora double-hung window frame includes the sash, stops,stool, and apron (fig. 6-35, view A). Another method ofusing trim around windows has the entire opening6-22
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