Masonry Flashcards
It is a cement mix used to glue masonry units to each other
Mortar
It is mortar applied to wall surfaces as a preparation or a hard finish coat
Plaster
a proportioned mixture of siliceous materials (sand, crushed stone) and cement (lime, Portland) which, after being prepared in a plastic state with water, hardens into a stonelike mass.
Mortars and Plasters
It is a proportioned mixture of cement, fine aggregate and water
Cement Mortar
For first-class mortars ____ should be added to not more than ____
1 part of cement ; 3 parts of sand
Replacing 10 or 15 percent of the cement by volume with __ gives greater workability and increases the strength of the mortar
hydrated lime
It is a mortar of cementitious material, sand and water which is applied in coats to masonry surfaces, lath or various types of plaster board to give a hard finish surface to interior or exterior walls and ceilings
Plaster
Plastering is done according to two basic methods:
two-coat and three-coat
It is a first binding coat
Scratch Coat
It is a second straightening coat
Brown-coat
It is a final coat
Finish coat
It is mixed on the job with sand and gypsum plaster
Lime putty
Plaster of Paris mixed with clay, lime and other materials in combinations covered by trademarks or patents
Gypsum plaster
Same as gypsum plaster but mixed to meet established standards
High-strength gypsum plaster
Gypsum plaster premixed with fibers
Fibered gypsum plaster
Gypsum plaster mixed with fine white sand
Prepared gypsum plaster
Gypsum plaster mixed with ingredients develop more adhesive strength in combinations covered by trademarks or patent
Bonding plaster
Fire-resistant, Gypsum plaster mixed on the job with water, perlite, vermiculite or other suitable mineral aggregate
Lightweight gypsum plaster
Plaster of Paris mixed with alum or borax or other materials and burned at 932°F
Keene’s cement
It is for ornamental plaster work and castings
Plaster of Paris
It is mixed with water as per manufacturer’s directions
Molding plaster
It is for acoustic treatment of interior walls and ceilings
Acoustics plaster
It is mixed with water, sand and lime putty
Portland Cement Plaster
It is highly decorative type of plaster work developed in Italy during the Renaissance
Sgraffito
It is a built-up construction or combination of building materials as clay, concrete, or stone set in mortar
Masonry