Building and Engineering Catalog 1921 Edition . ated to resemble the ordinary stucco or sand finish. 1 his can be done at once,or as soon as the material has begun to set and it is only necessary to erect the scaffolding once. Hardwall Finish (unfibred) in two coat work is used with a small quantity of sand not over eqiparts). It may be applied in the usual way over a scratch coat or applied in two cats in one job. thefinish following as soon as the first coat hardens. It has the advantage oyer fibred Hardwall Plaster of not showing the fibre m the mushed (fibred or unfibred.
Building and Engineering Catalog 1921 Edition . ated to resemble the ordinary stucco or sand finish. 1 his can be done at once,or as soon as the material has begun to set and it is only necessary to erect the scaffolding once. Hardwall Finish (unfibred) in two coat work is used with a small quantity of sand not over eqiparts). It may be applied in the usual way over a scratch coat or applied in two cats in one job. thefinish following as soon as the first coat hardens. It has the advantage oyer fibred Hardwall Plaster of not showing the fibre m the mushed (fibred or unfibred. is especially recommended for plastering on Gypsum Board. Bondstone is a gypsum plaster especially recommeiuUd torplastering all interior surfaces of concrete or masonry. It adheresstrongly to concrete and oyercomes all the objections of commonmortar for this purpose. Strong, cool working plasters that make a good finish. Theyare largely used throughout (>ntario, being cheaper than other whiteplasters and practical for all kinds of C. P. GYPSUMBOARD. SPECIFICATIONS FOR C. BOARD GYPROC WALLBOARD. A gray plaster that is different from the best plaster only incolor. It makes a gray finish that is preferred by many, and ismuch cheaper. Alabaster Hvdrated Lime is a white dolomitic or high magnesiumlime of the greatest puritv and strength, which has been slaked orhvdrated at the kilns by adding to the freshly burned lime just theright amount of water. It does not air slake or lose strength withage does not pit, pop or blister, and eliminates the cost of slaking,aging and waste. It comes in convenient, uniform 50-lb. paper bags ^^ ^^ ^ ^ makine handling easv and proportioning exact. . Mortxr and Hvdrated Lime is perfectly suitable for plastering, bricklayingand masonry It has manv advantages over lump or stone lime, especially for white coat ^a^pRooFiNG and lubricating to . 5 j of Alabaster Hydrated Lime, the amountvaryi
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