. Cyclopedia of architecture, carpentry, and building : a general reference work .... )lan of a roof and chimney A, around whichthe flashing B C D E is to be placed, and explains how the corners C and D are double seamed,w h e t h e r on a chimney,bulkhead, or any. other on a roof ^en fli ewater flows in the directionof the arrow F. The firstoperation is shown at a andthe final operation at it will be seen that the water flows past the seam and not againstit. In laying flat seam roofing especially when copper is used, allow-ance must be made for the expansion and contraction of


. Cyclopedia of architecture, carpentry, and building : a general reference work .... )lan of a roof and chimney A, around whichthe flashing B C D E is to be placed, and explains how the corners C and D are double seamed,w h e t h e r on a chimney,bulkhead, or any. other on a roof ^en fli ewater flows in the directionof the arrow F. The firstoperation is shown at a andthe final operation at it will be seen that the water flows past the seam and not againstit. In laying flat seam roofing especially when copper is used, allow-ance must be made for the expansion and contraction of the sheets. Aex Fig. Fig. 207. 250 -3-


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