Cement houses and how to build them. . stone. The red stone gives apinkish shade to the wall in conjunctionwith the cement. Metal Lath for Building. Concretesteel exterior walls, such as are made ordi-narily in the construction of residences,can be made in various ways. Expandedmetal of three-quarter inch mesh is oftenused, being fastened to studding with six-teen-inch centers. This is considered su-perior to any other method, as the mesh issufficient to permit the cement to passthrough and cover the other side of thelath, thus protecting it. The ordinarysheet metal lath with protruding cups a
Cement houses and how to build them. . stone. The red stone gives apinkish shade to the wall in conjunctionwith the cement. Metal Lath for Building. Concretesteel exterior walls, such as are made ordi-narily in the construction of residences,can be made in various ways. Expandedmetal of three-quarter inch mesh is oftenused, being fastened to studding with six-teen-inch centers. This is considered su-perior to any other method, as the mesh issufficient to permit the cement to passthrough and cover the other side of thelath, thus protecting it. The ordinarysheet metal lath with protruding cups andopening cannot be covered on both variety is, therefore, not recom-mended for exterior walls, as dampness CEMENT HOUSES AND HOW TO BUILD THEM. 41 will soon rust the metal sheet. Anothermethod satisfactory and effective is tocover the outside of the building withsheathing and place the plaster lath ver-tically about one foot apart. On thispoultry netting of three-quarter inch meshis placed and the plaster is applied. This. Fig. 29—General details of construction of a cement plas-ter house. Section showing work at first floor level. will require less material than anymethod. other Cement Mortar. This consists of a mixture of Portlandcement and sand in the proportions usu-ally of one part cement and two of mortar should be made in a box. First, the sand should be measured andlaid out in a layer. Then the cementshould be spread on the top. The twoshould be turned dry till the unif orm colorwill indicate that they are thoroughlymixed. The mass then may be hoed up toa form of a hill and a crater formed at thetop for the reception of the water. Themixing should be rapid till the requiredconsistency is obtained. In using cementmortar on brick it is preferable to have ittoo dry than too wet. Some workmencount on the bricks taking up the excess ofthe water in the mortar, but it is better towet the bricks before they are laid. Expansion and Contraction. The rela-ti
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