Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 97
g directions, given by the manufacturing com-pany, are to be observed: To render cement work impervious to water, a small quantity of thecompound is thoroughly mixed with the dry cement, before the addition ofsand and water. For most purposes, from 1 to 2 per cent of the weight ofcement used will… … Fig. 13. Five-Ply Gravel Roofing. 78 MASONRY AND REINFORCED CONCRETE 07 proportion of sand, etc.. employed, and on the kind of work to be doneOur own experience has been that the use of 1 per cent—4 j)ounds to thebarrel, or 1 pound to the sack of cement—is enough to make hollow concretebuilding…
Architecture · Building
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