Author: International Schools
Publisher: Theclassics.Us
Published: 2013-09
Total Pages: 142
ISBN-13: 9781230857268
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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1899 edition. Excerpt: ...as at d and c, recesses are left in the plastering, to receive the pieces to be inserted, which are formed separately and then stuck in place by liquid plaster. When there is much ornament, it is cheaper to cast the cornice of plaster of Paris in sections 2 feet or more long; these maybe attached to the wall by thin plaster. Careful work is required to make the molded pieces come together, or match properly. Fig. 108. 237. Centerpieces, consisting only of plain circular moldings, are formed in the same way as cornices, except that the mold, or templet, is so fastened as to swing around the center of the ornament. When decorated centerpieces arc used, they are usually cast in a mold and stuck on the ceilings with liquid plaster of Paris. Nearly all kinds of ornamental plastering, such as paneled ceilings, bas-reliefs, imitations of foliage, etc., may be easily cast of plaster of Paris, and serve the purpose as well as more costly decorations. r 238. Finishing Coat.--Sometimes this coat is omitted, in cheap work, when the walls are to be papered, the brown coat being smoothed as well as possible. This method is not a good one, as the rough plaster is likely to mar the smoothness of the paper. There are several kinds of finishing coats, such as troweled stucco, rough sand finish, hard-finish white coat, etc. In all cases the material is applied to the wall in the form of a stiff paste, by means of the steel trowel a, as shown in Fig. 109, and is spread uniformly over the surface to a thickness of about inch. The troweled stucco, consisting of fine stuff and very fine white sand, to which a little white hair may be added, is thoroughly polished to a glazed finish with the trowel a', the surface being kept moist by water applied with the brush...