Concrete in the country / [American Cement Company]. (1910)
American Cement Company · Association of American Portland Cement Manufacturers · leaf 84
e J^-inch bolts 18 inches long down into it. Space these bolts 24 inches The end wall forms extend apart, 9 inches of the length being in the concrete,above the plates to the peak of the roof, and are filled to the top. While placing the concrete in the walls it should be continually spaded as… … 85 i . the pitch desired for the roof, and are securely fastened where they meet at theridge. To stiffen the roof form until the concrete has become hard tie the oppositerafters together at the bottom (with a i-inch strip) in the form of a capital A.One-inch boards are nailed on the rafters. The…