③ During the construction of toilet waterproof layer, it shall extend to the door for no less than 300mm.
➤ film thickness inspection: cut 20 with wallpaper knife × 20 blocks, and measure their thickness with vernier caliper.
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➤ water storage test: the water storage test shall be conducted after the waterproof film of the coating film is cured.
The coating amount shall be 0.2 ~ 0.3kg/m2, and the primer shall be cured for more than 5h.
1、 Base course treatment before the construction of waterproof layer, the base course shall be treated, and the internal corner shall be plastered into a circular arc or 45 ° slope angle.
The direction of the first and second brushing shall be vertical, and the coating thickness shall be uniform without omission or accumulation; The next coating can be applied after the previous coating is cured; When painting, paint the facade first and then the plane.
The surface of the base course shall be firm and flat without laitance, sand and cracks.
In order to enhance the bonding force between the waterproof layer and the cement mortar of bonding veneer materials (such as ceramic tiles), clean stone slag (2mm in diameter) shall be thinly sprinkled on the surface of the middle layer coating before curing, and the surface layer shall be applied after curing.
② The coating material shall be evenly painted on the surface of the base course.
Jinshuai waterproof supermarket can meet the waterproof needs of different regions, different forms and different structural parts, and use high-quality products to serve high-quality projects（ Thank you for your patience in reading this article 11-.
If the waterproof construction of the toilet is not done well, there will be common leakage quality problems, which will not only affect the normal use of the owner, but also easily lead to contradictions in neighborhood relations, great difficulty in later maintenance and high cost.
2、 The waterproof coating for waterproof layer construction shall be matched with the base treatment agent, and the base treatment agent shall be painted evenly without accumulation and flow; Additional layers shall be made at internal and external corners, pipe root, floor drain, equipment foundation and other parts; The waterproof coating shall be applied thinly and repeatedly.
When the finger touch is basically non stick, the second coating (surface layer) shall be applied vertically.
There shall be no ponding on the surface of the base course, and the moisture content shall be less than 9%.
The water storage height shall be ≥ 20mm and the water storage time shall not be less than 24h.
The storage height must cover the internal corner.
④ Generally, the height of waterproof film on the wall shall not be less than 300mm, and the height of waterproof film on the shower shall not be less than 1800mm.
Fiber cloth shall be set at the internal corner before the second coating.
4、 Quality inspection ➤ appearance quality inspection: the coating waterproof layer shall be firmly bonded to the base course, the surface shall be flat and evenly painted, and there shall be no defects such as flowing, wrinkle, bubbling, exposed carcass and edge warping.
3、 Detailed treatment ① internal corners, floor drains and sleeves passing through the floor shall be painted with additional layers, 150 on each side; Note that the pipe passing through the wall shall be painted in place.
During painting, it shall not be accumulated or exposed to the bottom.
After the first coating (middle layer), it generally needs to be cured for more than 5h.
When the flatness of the plate surface is poor, a leveling layer shall be made.
A 10mm wide and 10mm deep annular groove shall be reserved at the junction of pipe root, floor drain and base course, and the groove shall be filled with sealing materials; Or use slightly expanded fine aggregate concrete to block twice.
Therefore, the waterproof construction of the toilet must be paid attention to and the process quality must be strictly controlled.
