Plastering

Starting renovated apartment, note that even in modern panel houses the walls are quite rough. Often, concrete slabs and panels have a wavy surface, and this waviness is sufficiently deep and therefore well visible. Putty can "withdraw" only minor irregularities (up to 5 mm), and if they exceed this limit will have to use a solution and make small plaster. Starting renovated apartment, note that even in modern panel houses the walls are quite rough. Often, concrete slabs and panels have a wavy surface, and this waviness is sufficiently deep and therefore well visible. Putty can "withdraw" only minor irregularities (up to 5 mm), and if they exceed this limit will have to use a solution and make small plaster. Or, for example, if a vertically mounted door much out of the plane wall due to its strong inclination, should also be plastered "reduce" like protrusions. To reduce the cost of repairs flats (renovation) (a plaster works are quite expensive) is not necessarily to plaster the walls with irregularities. You can restrict ourselves to those walls, bumps which are clearly visible, or small pieces. These include: the-wall, which drops oblique light, placed at right angles to the plane of the window. If they are not made to furniture, then they better align;-place, which will be attached plinth, especially those that must be visible. Attach to the bottom of the walls, which will be attached plinth, flat bar, or level, and if the gap between the bar of the level or will be sufficiently large (greater than 5 mm), then making repairs to the apartment (renovated) are best aligned with plaster, and plaster solution can be only a small band of 10-15 cm in height, while the remaining irregularities subsequently sufficiently "reduced" to no filler. To this small mortar securely hold and in the future cosmetic repairs are not taken away from the wall, must be well prepare the surface, remove the old layers of filler and primed with diluted PVA glue with water. Others are not glaring defects often enough to make amends putty to make them invisible. Sometimes stucco work performed is not a solution, and gypsum. It should be borne in mind that the solution when the plaster is attached to the wall (concrete or brick) is not only mechanically but also by a chemical reaction. Gypsum also has a wall surface with only a mechanical connection. Therefore, if the wall is subjected to vibration, plaster of gypsum may peel off from the wall and fall off. Example: If the transferred portion of the door and doorway lay the bricks. This brick wall, especially if it is laid out in the quarter-bricks (on edge), because of the pops door vibrated, and if it is plastered with gypsum, then over time this stucco peels. Stucco is better to use only the plaster walls and partitions. Defects render most common mistakes plastering, indeed, for the saddest result of plastering work: peeling, cracking plaster and change the geometry of space, because of the "thick" layer of plaster. These "rake" the hit of every season of repair and finishing works. We do not aim at such short material to talk about all the problems and defects that arise during plastering. However, we would like to draw your attention to the most common flaws and defects in the plaster. Let's start with the requirements of building regulations plaster and stucco work in the repair of apartments: 3.15. If plastered brick walls at an ambient temperature of 23 ° C and above the surface before applying the solution to moisten. 3.16. Improved and high-quality plaster should be performed on the beacons, whose thickness should be equal to the thickness of the plaster coating without nakryvochnyh layer. 3.17. At the device-layer coating of the surface should flatten immediately after application of the solution, in the case of trowels - after his seizure. 3.18. When the device multilayer plaster coating each layer must be applied after setting the previous (nakryvochnyh layer - after the seizure of the solution). Leveling of the soil should be performed before setting the solvent. 3.19. Sheets of plaster to stick to the surface of the brick walls of the trains as the project being located in the form of marks, the size of 80x80 mm on at least 10% along the ceiling, floor, corners, vertical plane through a 120-150 mm, in the intervals between them at a distance of no more than 400 mm along the vertical edges - a continuous strip. Sheets to the wooden bases should be fastened with nails with large heads. 3.20. Installing moldings of plaster products must be carried out after setting and drying of the plaster base. Architectural details on the facade is necessary to fix a A built-in wall reinforcement, previously protected from corrosion. Specifications for Control (method, amount, type of registration) is allowed a single-layer thickness of plaster, mm: the application of all types of solutions, except for gypsum - up to 20, from plaster solutions - up to 15 measuring at least 5 measurements at 70-100 m2 of surface coatings or in one room, a smaller area in the field identified a continuous visual inspection, the magazine work may thickness of each layer in the multilayer device renders without polymer additives, mm: scratch coat on the stone, brick, concrete surfaces - to 5 scratch coat on the wooden surfaces (including the thickness drann) - Up to 9 out of the soil cement mortars - up to 5 soil from the lime, lime-plaster solutions - to 7 nakryvochnyh layer of plaster coating - up to 2 nakryvochnyh layer of decorative finishes - to 7 measuring at least 5 measurements at 70-100 m2 of surface coatings or in one place a smaller area in the field identified by continuous visual inspection, the magazine works. Do you repair a panel, a monolithic or brick house in any way with the help of an architect, designer, superintendent, foreman or directly from the masters to fathom, the sag of the surface: floors, walls and ceilings. Look schemes staking plumb walls and ceilings. This and only this will show what is their curvature, slope and swings. These measurements will enable to calculate the flow of the material chosen. And determine the complexity, time and costs. Feature plasterwork in the fact that they eventually form the geometry of space whether it be living room, kitchen, bathroom or office. Putty putty can "withdraw" only minor irregularities (up to 5 mm). The thickness of the layer of plaster can be 5cm. And some big swings probably have to hide under a decorative design or drywall. Here at this stage it is necessary to work hard and carefully to make all measurements and weigh up whether you need all the corners at 90 or not to reduce the area and did not increase the cost of repairs and what it do? But be aware that left no irregularities are evident only at the beginning of repair. All slopes, all the curvature will later be emphasized nestykuyuschimisya wallpaper, gaps between the wall and skirting board, not geometrically flat flooring, sloping over the cabinet, wry standing furniture, etc. We ask our customers not to buy or not to order furniture before staking surfaces. Especially for kitchens and bathrooms, where even 1-2cm not allow to insert the refrigerator, closet, or leave a gap. And yet the defects: Breach of technical regulations and standards in preparing the solutions and the manufacture of stucco is the cause of the defects. Large and small cracks in plastering cracks large and small appear on the surfaces of plaster because he used a thick (with a high content of binder), or poorly mixed solutions, which accumulates in places a lot of binders or fillers. Cracks may appear in the rapid drying of plastering under the influence of strong drafts, or high temperature. Cracks are also formed by drawing at one time a thick layer of slow-setting mortar or because the solution is applied, although thin layers, but have not setted the previous layer of the solution. To avoid cracks, should be strictly dose binders and fillers in the preparation of the solution and thoroughly mix it. Plastering should be protected from extremely fast drying, drafts, closing in stucco buildings windows and doors. Definitely aimed cracks formed on the surfaces of brick masonry at the seams. On a brick wall cracks are the result of applying very thin layers of plaster without wetting the surface with water. The formation of cracks can be alkali, evolved from the joints of masonry. It failed and the swelling in the plastering it failed and the swelling occurs when the plaster plastering wet surfaces or under constant moist plaster surfaces. This usually occurs on limestone and lime plaster. To avoid whipped and blistering plaster damp places must be dried and only then grout. Flaking plaster due to the fact that the solution was applied to excessively dry surface or on the parched layers before applying the mortar. Spalling can also occur as a result of the fact that subsequent layers of solution were applied to the weaker earlier, such as mortar caused more durable - cement. Plaster flakes as if on a concrete base or cement plaster applied lime and lime-gypsum solution without the transition layers. Colored and decorative nakryvochnyh layers peel off in those cases when they are applied to a very strong or, conversely, very poor soils, where nakryvochnyh layer significantly stronger and denser than the soil itself, or they cover the soil with enough rough surface. Cracks in the husk for plastering cracks in the husk are the result of the fact that the angles of the walls or the joints of dissimilar surfaces made of different materials were not sufficiently prepared or because the solution was applied to over-dried wood surfaces. Cracks appear in the event that plastered designs have been laid down loosely. Corners and joints of dissimilar surfaces before plastering should be closed mesh strips, and over-dried wood walls, partitions, ceilings must be well moistened with water. Such a defect, as the lack of strength, mainly occurs when the solution was insufficient quantity of binder or sand is very dirty. It is not enough solid plaster discover tapping. Finding this defect, it should discourage the fragile plaster on the surface and re-plaster it more durable solution. We hope that the knowledge of the requirements of building codes and the reasons for possible defects in the plaster, which we have presented to you while in a very condensed material, will allow all the same to avoid even the obvious, but very annoying defects in the plaster of its walls and ceilings.