Cement houses and how to build them. . advantageis in the making of chimney caps. Inmany localities they are supplanting stone,brick and iron. The operator should pro-vide himself with a box having no bottomand having interior measurements the sizeof the desired cap. One or two smaller CEMENT HOUSES AND HOW TO BUILD THEM. 69 boxes to act as forms for the flue or flues,as the ease may be, should be one inchhigher than the large box, to provide forslope from the edges of the flues to theedge of the cap. About four inches is theordinary thickness for a cap, so that theflue forms should be five in
Cement houses and how to build them. . advantageis in the making of chimney caps. Inmany localities they are supplanting stone,brick and iron. The operator should pro-vide himself with a box having no bottomand having interior measurements the sizeof the desired cap. One or two smaller CEMENT HOUSES AND HOW TO BUILD THEM. 69 boxes to act as forms for the flue or flues,as the ease may be, should be one inchhigher than the large box, to provide forslope from the edges of the flues to theedge of the cap. About four inches is theordinary thickness for a cap, so that theflue forms should be five inches. Plasterthe inside surface of the big mold withone-half an inch of stiff mortar and im-mediately fill the form to half its capacitywith one part cement, three parts sand,and six parts broken stone. Then put inthe reinforcing, which should be wovenwire, expanded metal, or ^-inch complete the filling, tamp until thewater puddles up, and when the mixtureis partly set trowel smooth. In the event that it is desired to build. Fig. 8—Method of joining the roof and the block course. the cap in place, small rods should beplaced across the chimney between theflues. On these build a platform of tonguedand grooved boards planed on the upperside, and driven snugly together but notnailed. On this platform place the formspreviously described and fill with concretereinforced. After the concrete has set fora week remove the platform by raising each side of the chimney cap alternatelyand knocking the platform apart. Removethe outer and inner forms. Raise one endof the slab, cover all the top of the chim-ney that can be reached with mortar, lowerthe cap on the bed thus formed and removethe rods under the end. Repeat the pro-cess at the other end. Fireplace of Concrete. A special form-ula for the blocks used in the constructionof a fireplace is necessary to guard againstdiscolorations from the heat. Blocks madein the following proportions will provesatisfactory for the fireplace a
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdomesticarchitecture
