1. The warrant
1.1 Technical requirements of plastering work:
plastering materials must comply with ISO 4459: 1987; TCXDVN 303: 2006.
The right adhesive mortar, both on the surface of the building structure.
Type mortar and plaster to proper thickness design requirements.
It achieved the technical requirements, the quality of each type of warrant :
+ work surfaces must be clean, hygienic from dirt and impurities before conducting the warrant.
+ If the plaster on demand than 20mm thick, to conduct warrant multiple layers, each 5mm thin not warrant a more refined class and no thicker than 8mm. The total thickness of less than 20mm plaster. The plaster will have to face a warrant before conducting the next layer.
+ The warrant must be beautiful, the whole surface of the mortar flat, no rough, uneven, cracked, cracked feet phenomenon bird or grout.
+ The edges door, right next to the column straight, square corners ensure. The ledge sill, the window must have the same pitch line.
+ For the smooth surface structures or too smooth, to create surface roughness, to enhance the adhesion of the mortar on the surface structure necessary conditions warrant.
+ At the juncture between the wood components and other structural steel grid layer must be reinforced in order to ensure the adhesion of plaster.
+ Where flatness requirements, the details , curve, with the precision and quality, before plastering to be attached to the surface texture locate landmarks or warrant as benchmarks in some locations.
+ plaster thickness depending on requirements aesthetics, flatness of the plaster, steel structures, used mortars and plaster construction methods.
+ plaster ceiling thickness from 10mm up to 12mm thick plaster, if thicker warrant shall take measures against foot-by warrant or subpoena steel grid into thin layers.
+ For plastering, plaster thickness of conventional TVs should not exceed 12 mm, while plastering with high quality requirements not exceeding 15 mm and the warrant to warrant special quality requirements not significantly higher than 20mm.
+ thickness of each layer does not exceed 8mm warrant. When plastered over 8mm thick, to warrant a 2 or more layers. When multiple layers of plaster, so who face plastered into the rhombic cell adhesion to the next layer of plaster. Cars filled with sides about 60mm, deep lines from 2-3mm. When the plaster before se new face plastered next class. If the plaster before it was too dry, moisten water spray prior to plastering.
+ In hot weather or dry, after a warrant for 24 hours to carry out maintenance and humidification to prevent cracking phenomenon on the warrant.
+ When plastering the special plaster surface textures such as textured plaster, gravel highway warrant, subpoena grinding, washing warrant, subpoena hash ... primers layer thickness not exceeding 12mm flat creation, thickness painting and decorating of the surface layer is not less than 5 mm.
+ The mortar must be sharp edges, equal, straight, not curved, oblique deviation.
+ The corner, right next to the square and evenly balanced, the curved surface to glide warrant Regular and not twisted.
+ The sharp ridges just right, are thick, straight, correct shape design.
+ To ensure correct and fully detailed and textured stucco architectural structure such as joints, ice belt, insole, game, head drip ...
plaster mixing machines, materials for each mortar mix was weighing. Cat had prepared.
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