In all the projects of home decoration, the floor decoration is a project that requires the owners to pay special attention. It is best not to have problems in this project, because if there is a problem, it will need to dismantle the original floor and bring the life of the occupants. Very troublesome. When decorating the ground, what do the decoration owners need to pay attention to?
First, how to prevent the surface of the plastic floor from being uneven and wavy. When the residents are decorating and decorating the room, the floor is made of plastic floor. After paving, the surface is flat and the surface is wavy. The main reason for this phenomenon is that the following points are not noted in the construction:
(1) The surface of the base layer has poor flatness and unevenness.
(2) When the operator applies the adhesive, the gesture is light and heavy, so that the scratched adhesive has a distinct wave shape. When the plastic floor is pasted, the diluent in the adhesive has evaporated, the fluidity of the colloid is poor, and it is not easy to be smoothed when pasted, so that the surface layer is wavy.
To prevent this quality problem, you must:
(1) Strictly control the surface flatness of the adhesive base layer, and flatten the surface with the unevenness of more than 2 mm.
(2) Scratch the adhesive with a toothed scraper to make the thickness of the adhesive layer thin and uniform. When scraping, the direction of the coating on the adhesive surface of the base layer and the plastic plate should be intersected vertically and horizontally, so that when the surface layer is laid, the adhesive layer on the adhesive surface is uniform.
(3) The construction temperature should be controlled at 15 to 30 degrees, and the relative humidity should be no higher than 70%.
Second, how to prevent uneven seams on the surface of the plate, uneven use of granite, terrazzo, marble, floor tiles and other plate materials as the floor decoration material, after the paving, the joints in the adjacent plates are uneven, the gap is not Uniformity is a common quality problem in the surface coating of plates. The main reasons for this quality problem are the following:
(l) The plates themselves are of different thickness, the geometrical dimensions are not accurate, and there are defects such as warping and skewing. The selection is not strict before the paving, so that the seams are uneven and the gaps are uneven after the paving.
(2) When the surface layer of the plate is laid, the horizontal ruler is not used for leveling, and the joint of the plate is not long, and the joint of the plate is not flat and the gap is uneven.
(3) After the surface of the plate is laid, the finished product is not well protected. During the curing period, people walk or use it in the morning, and the seams are prone to high and low.
To prevent this quality problem, it should be done during construction:
(1) Strengthen the quality inspection of the material of the approaching plate, the geometrical dimensions are not allowed, there are warpage, skew, excessive thickness deviation, and the plates with cracks, corners and other defects should be removed.
(2) Before paving, the room should be taken in four sides, and the cross line should be popped on the ground. After the standard block is laid, the middle and the back and the backward direction are laid in order, and the level and ruler are used to level the gap at any time. It must be pulled long and there must be no deviation. The size of the segment should be fixed in advance, so as not to cause the last piece to be laid down or the gap is too large.
Third, how to prevent the cast-in-place water millstone ground grids revealed that some households in the decoration and decoration of the room, the ground using terrazzo floor, after doing a good job, often found that the grid is unclear, like a pure cement band. The main reasons for this phenomenon are:
(1) The thickness of the surface cement paste is too high, making it difficult to grind the grid.
(2) After the surface cement paste is laid, the grindstone is not timely, resulting in too high strength of the surface cement stone, making it difficult to grind the grid.
To prevent this from happening, it must be done during construction:
(1) Control the thickness of the cement layer of the surface layer, and the thickness of the virtual pavement is generally 5 mm higher than the grid. After rolling and compacting with a roller, the score bar is about 1 mm higher.
(2) The terrazzo grinding time should be controlled well, generally when the strength of the terrazzo surface layer reaches about 10%. The strength is too low, the grinding time is too early, and it is easy to drop the stone when grinding.
Fourth, how to prevent the floor empty drums in the home decoration and decoration, after the terrazzo, marble and other plates are laid, use a small hammer to knock the empty drum sound, serious, some people will loosen when walking. The main reasons for this quality problem are:
(1) The surface of the base layer is not cleaned or the watering is not wet enough. The uneven layer of the cement slurry is applied or the coating time is too long, so that the cement slurry wind is hard and does not bond, resulting in the surface layer and the base layer of the plate. Empty together.
(2) Before the surface layer of the plate is laid, the back floating ash is not brushed and wetted by water. If the dry plate is directly laid during construction, the moisture in the cement mortar is quickly sucked by the plate, which causes the mortar to be dehydrated. Its coagulation hardening reduces the strength of the mortar, affecting the adhesion of the mortar to the base layer, the mortar and the plate.
(3) Laying mortar should be dry hard mortar. If more water is added or the mortar is not vibrated, it will be uneven, which will easily cause the plate to be empty.
In order to prevent the empty surface of the plate, the following points should be made during construction:
(l) The surface of the base layer must be cleaned and watered and moistened without water to ensure a good bond between the mat and the base. The surface of the base layer should be evenly coated with pure cement slurry, and the cement mortar bonding layer should be applied with the brush.
(2) Before the pavement layer is laid, the floating ash on the back of the slab is cleaned, then immersed in water to wet, and the plate is best laid when the plate reaches the surface dry saturation.
(3) The bonding layer is dry hard cement mortar, the mixing ratio is usually 1:2～1:3 (cement: sand), the cement is made of ordinary Portland cement not less than 325, the sand should be medium coarse sand, including The amount of mud is not more than 3%, and the organic impurities are sieved through the sieve. The consistency of the cement mortar is preferably 2 to 4 cm. The thickness of the dry hard cement mortar should be well controlled (generally 2.5 to 3.0 cm). In the trial paving of the plate, after the plate placed on the paving position is right and horizontal, use a leather hammer (or wooden hammer) to gently tap the middle of the plate to make the mortar vibrate and hammer to the paving height. After the plate is tested and tested, the stone is lifted to check whether the mortar bonding layer is flat and compact. Add the mortar, pour a layer of pure cement slurry with a water-cement ratio of about O.5, then lay the original board, drop the four corners at the same time, tap with a small leather hammer, and level with a level.
(4) After the plates are laid, the joints are caulked on the next day. Before filling, the floor should be cleaned, and the loose mortar in the joint should be removed. The filling should be carried out several times. Scrape in the seam with the scraper, and then grind the seam with the same color cement slurry until the seam is filled. Grout. Then wipe the mortar on the plate with a soft cloth and clean and protect it. It is not allowed to walk or use during the maintenance period.
[Edit: Luhan]
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