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Anonymous users2024-01-241. Inspect and accept the appearance, variety, specification, packaging, size and quantity of materials, and form corresponding acceptance records.
2. Check the quality certification documents of the materials and include them in the engineering and technical files.
3. After the material enters the site, the material inspection report shall be issued according to the specification.
4. When all the indicators of the physical properties of the material meet the standards, it is qualified; If an index does not meet the requirements of the standard, the index should be re-sampled in the tested product for re-inspection, and the re-test result meets the requirements of the standard, and the batch of materials will be judged to be qualified.
5. Waterproof material. There are three main categories: waterproofing membranes; 911 polyurethane waterproofing material; New polymer cementitious waterproofing material.
The last category is divided into general-purpose GS waterproofing materials and flexible JS waterproofing materials. Among them, the universal waterproof material is suitable for the waterproofing of the indoor floor and wall of the family.
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Anonymous users2024-01-23It is best to go to the local construction project quality supervision station, they have a unified standard form, divided into specialties, more standardized, or now there is a unified format of the professional electronic version, which is not the same in various provinces and cities, for reference.
Yes, it needs to be dried thoroughly, otherwise when the bricks are pasted, the bricks or the construction site are easy to damage the waterproof layer.
It needs to be done and must be done, for a simple reason: nothing is 100 percent, don't be empiricist, what if you miss it this time. There is also who pays for redoing it again if it is missed; There is also the question of time, who can have a lot of time to waste in the current era, who is responsible for the losses caused by the time problem, since it is done once, do not leave hidden dangers.
The waterproof layer was destroyed in the process of subsequent tiling. >>>More
Look at your waterproof budget, basically you don't need to do waterproofing after doing the closed water test, if you are afraid of a long interval and unreliable waterproofing, you can put the closed water test before tiling, reducing the time between the two processes is also a way.
After the bathroom is waterproofed, it needs to be thoroughly dried, so that it can do the closed water test, you can contact the residents downstairs in advance, so that the leakage can be informed in time to avoid unnecessary losses of the downstairs residents When doing the closed water test, the depth of water storage can not be less than 20 cm, and the time can not be less than 72 hours, and the water level does not fall is qualified.