Specification for Acceptance of Toilets and Baths - Coating Waterproofing and Cement Mortar Leveling and Covering

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(1) Guarantee items

1. The grass-roots level must be dense, firm, clean and free from floating soil in accordance with the provisions of the construction specification.
2. Test method: Observe and check with a small hammer.
3. The cement mortar and the substrate are solid and compact without hollowing. The surface is smooth, dense and smooth, no cracks and matte surface, and the yin and yang angles are rounded to form obtuse angles and rules. The weak parts that are prone to leaking are sleek and tight.
4. The slope of the screed must meet the design requirements (if the design does not require it, the following requirements shall be followed, the slop is 1%, and there shall be no local accumulation of water, extending from the side of the drain to 50mm, the drainage gradient is 3-5 %) Drainage is smooth.
5. The thickness of the protective layer must meet the design requirements, and the strength should meet the construction requirements. During the operation, it is strictly prohibited to break the oil waterproof layer. The surface of the protective layer mortar is smooth, compact and correct in slope.

Test method: Observe and check with a level ruler.

Construction acceptance bathroom cement