. Cyclopedia of architecture, carpentry, and building : a general reference work .... Fig. 241. cut the corrugated iron to fit the required angle. Then lap thecorrugated iron over the valley from 6 to 8 inches. ^Vllen a chimney is to be flashed, as shown in Fig. 244, use plainiron, bending up and flashing into the chimney joints, and allowing a&T 188 SHEET METAL WORK the flashing to turn up under the corrugated iron at the top about 12inches and over the corrugated iron at the bottom about the samedistance. At the side the flashing should have the shape of the cor-rugated iron and receive a la
. Cyclopedia of architecture, carpentry, and building : a general reference work .... Fig. 241. cut the corrugated iron to fit the required angle. Then lap thecorrugated iron over the valley from 6 to 8 inches. ^Vllen a chimney is to be flashed, as shown in Fig. 244, use plainiron, bending up and flashing into the chimney joints, and allowing a&T 188 SHEET METAL WORK the flashing to turn up under the corrugated iron at the top about 12inches and over the corrugated iron at the bottom about the samedistance. At the side the flashing should have the shape of the cor-rugated iron and receive a lap of about 8 inches, the entire flashing. Fig. 242. being well bedded in roofers cement. ^Vllen a water-tight joint isrequired around a smoke stack, as shown in Fig. 245, the corrugatediron is first cut out as shown, then a flashing built around one half theupper part of the stack to keep the water from entering inside. This is best done by using heavysheet lead and riveting it tothe sheets, using strips of sim-i 1 a r corrugated iron as awasher to avoid damaging thelead. Before riveting, theflashing must be well beddedin roofers cement and thenmake a beveled angle ofcement to make a good this upright flashing isin position a collar is set overthe same and fastened to thestack by means of an iron ringbolted and made tight as shown. Cement is used to make a water-tight joint around the stack. This construction gives room for thestack to sway and allows the heat to escape. Sometimes the end-wall flashing shown in ^ig. 23G can be used
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