Recently, the hotline received a call from the reader to explain the situation of leakage due to the lack of waterproofing. So the reporter visited Mr. Wang, a waterproof expert, and asked him to introduce the reader to the correct method of waterproof construction using mortar waterproof agent for decoration. Mr. Wang told reporters that for the hidden waterproof project, the most important thing is to do meticulous construction. The following points must be done:
1, clean up the base, pay attention to not have floating soil, oil.
2, sprinkle water wet. Be careful not to have stagnant water.
3, brush waterproof mortar, thickness 2 mm, brushing dense.
4, wipe waterproof mortar, thickness 13-19 mm, to smooth and compact.
5, 20 hours of construction, sprinkle water conservation, cover in the sun.
Matters needing attention: Drilling trenches, pits, and holes should be repaired with waterproof mortar. The surrounding areas of the pipe, floor drain, sanitary ware, and yin and yang angles and wall roots should be used as the key points. The time for brushing waterproof mortar and applying waterproof mortar shall not exceed 30 minutes.
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