54h 



STEEL ROOF TRUSSES AND MILL BUILDINGS. 



CHAP. I. 



SECTIOH B-B 



HORIZOffTAL 5fCTIO/i\^^ 

 hinged doors. Frames^^ 

 should be built in walls. ' 



Steel Plate \ 



^-VERTICAL DETAIL ATlnPosr. 



a=|!=ffl _ 



HORIZONTALSECTIOf1,s/iding \ 

 doors. Weathering members \ 



\idesandconnectionat 



'ting stiles 



SECTionD-D 



VERTICAL SECTION. HORIZOHTAL SECTIOM. 



Heavy steel jamb and casing are made for 

 any tvall thickness. 



SECTIOH C-C 

 Single leaFdoors uptolOFt.w/deby25ft.hiqhdrerr>3de.) Tubeslfx^g" for doors up to4x8'.0thfrs j li*!(3f 



TUBULAR STEEL DOOR-TYPE A. TUBULAR STEEL DOOR- TYPEB 



FIG. 56. DETAILS OF "LUPTON" TUBULAR STEEL DOORS. 



Doors upto 

 do not requi 



UsetiorSt-F&me. To facilitate weathering '.Inside \, 



' 



^, doors should be hunon 



inside oF building. Irout- 

 side,proper housing For 

 -"4}= r^H 1 - track must be provided. 

 5lidinqdoors can be 

 made as large as 7 Ft. wide 

 by 12 ft high with good 

 results. 



iVAT/on DOUBLE DOOR 



to swing out 



-Concrete 



! Width of Opening 



HORIZONTAL SECTIOH 



fLWT/on DOUBLE DOORS VERTICAL SECTION 

 *-~CZEQlSE3I2-4r 



VERTICAL SECT/OH 



DOUBLE DOORS -SIDE HUHG 



5/nqle Doors have simi/er details 



TO HoRI70fiTAL5fCTIOrf 



>\t- 



DOUBLE SLIDING EXTERIOR DOORS 



Sinqle Doors have simi/ardetai/s 



FIG. 57. DETAILS OF "FENESTRA" TUBULAR STEEL DOORS. 



