. Cyclopedia of architecture, carpentry, and building : a general reference work .... AL ^VORI IV 185 The followinor table calculated for 30f inches wide before corrugating. No. byBirminghamgauge m 5:5 Si Weight per square of 100 square feet, whenlaid, allowing 6 inches lap in length and24 inches nr one corrugation in width of if Lb. ill aLb. sheet, for sheet lengths of: 5 feet 6 feet 7 feet 8 feet 9 feet 10 feet Lb. 16 .065 365 358 350 348 346 18 .049 275 270 267 264 . 262 261 20 .035 196 192 190 188 186 185 22 .028
. Cyclopedia of architecture, carpentry, and building : a general reference work .... AL ^VORI IV 185 The followinor table calculated for 30f inches wide before corrugating. No. byBirminghamgauge m 5:5 Si Weight per square of 100 square feet, whenlaid, allowing 6 inches lap in length and24 inches nr one corrugation in width of if Lb. ill aLb. sheet, for sheet lengths of: 5 feet 6 feet 7 feet 8 feet 9 feet 10 feet Lb. 16 .065 365 358 350 348 346 18 .049 275 270 267 264 . 262 261 20 .035 196 192 190 188 186 185 22 .028 . 154 152 150 149 148 ? 24 .023 .88 123 121 119 118 117 117 26 .018 .72 .91 101 99 97 97 96 95 LAYING CORRLQ.\TED ROOFING ^Mien laying corrugated iron on wood sheathing use galvanizediron nails and lead washers. The advantage in using lead washers isthat they make a tight joint and prevent leaking and rusting at the nailhole; the washer being soft it easily shapes itself to any curve. In is showTi how these washers are used; A shows the full size nail. Fig. and washer. AMien laying, commence at the left liantl corner of theeave and end of the building. Continue laying to the ridge by lappingthe second sheet over the fh*st 4 inches,the left-hand edge being finishedby means of a gable band A, formed as shown in Fig. 234, into whichthe corrugated sheet B is well bedded in roofers cement C. AMien itis not desired to use this gable band the sheet must be well secured atthe edge to keep the wind from ra, the sheets from the roof in astorm, as at A in Fig. 230. 26S 180 SHEET METAL AYORK ^^^^••^-^^^^^^^^^— Should the gable have a fire wall, then let the sheets A butt againctthe wall and flash with corrugated flashing as shown in Fig. 235, overwhich the regular cap or counter flashing is placed as explained in connection with Fig. 227. Shouldthe ridge of the roof A buttagainst a wall, as shown at B inFig. 230, then an end-wall flash-ing is u
Size: 1961px × 1274px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksub, booksubjectarchitecture
