This is a very common problem. Since the solid wood floor is a little better than the keel, the reinforcement and solid wood flooring is a higher requirement for the floating floor pavement. According to the China Forest Products Industry Association Flooring Committee's "China Reinforcement" The requirements for paving the ground on the floor quality white papers require that the maximum clearance from the ground measured by a two-meter ruler should not exceed 3 mm. This standard is slightly higher than the acceptance standard for civil construction (4 mm for civil works), and the actual paving During the installation process, according to the different thickness of the moisture-proof cushion selected by the manufacturer, the requirements for the flatness of the ground are slightly different. If the manufacturer chooses the 2.5--3mm base mat according to the standard configuration, because the thicker bottom mat can be slight Correcting the flatness of the ground, the requirements for the ground will be relatively low, but the maximum ground clearance measured by 2m on the ruler can not exceed 5mm, if the manufacturer chooses a poor quality bottom pad about 1mm, this requirement is slightly higher. The thickness of the bottom mat has basically no effect on the correction of the flatness of the ground, and can only play a role in moisture protection. However, it should be noted that the moisture-proof bottom mat is not as thick as possible. If the thickness is more than 3 mm, it will result in a large amount of sagging of the floor when stepping on it, and it may cause cracks in the floor when it is taken for a long time.
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Now that there are some houses built by real estate companies that are not in compliance with the standards or the irregularities caused by ground grooving in the post-renovation process, we can adopt the following methods:
1. If the floor of the pavement is particularly high for flatness, such as plastic flooring, self-leveling must be done, but the cost is higher; it is suitable for floor leveling of geothermal floors.
Recommended level: ★★★
2, for the general laminate flooring or solid wood composite products, can be used to scrape gypsum on a small area of ​​uneven ground treatment, this method is the lowest cost, the main cost is the worker's fee, usually a house costs 100 yuan You can get it right and left, and the cost of gypsum powder plus 801 glue is also very cheap; and gypsum is particularly fast, and you can do it one day in advance, and you can do it in the dry season or even on the day of construction. Oil workers, bricklayers, shop floor workers can do it;
Recommended Level: ★★★★
3. Larger areas of unevenness can be dealt with in two ways: First, the method of wiping cement in advance must be done in advance. Otherwise, the imperviousness of the cement will leave hidden danger to the floor and affect the service life of the floor. This method is less expensive and requires brickwork to be completed.
Recommended level: ★★★
Another method is much simpler: use bedding directly, bedding treasure is very good for the correction of the ground, including the grooved ground and even the pipeline exposed to the ground can be handled perfectly, the most critical can be enhanced Or the feeling of the floor of the composite floor is maximally improved, and it can be said that it is not inferior to the feel of a solid wood floor. The construction is simple, the workers laying the floor can be paved free of charge, the purchase cost of the product is high, about 15-20 yuan per square meter, according to their own choice of thickness. This method is also suitable for dealing with the problem of inconsistent height between the floor tiles and the floor. The effect is perfect. In particular, it should be noted that this method is not suitable for geothermal heating.
Recommended Level: ★★★★★
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