What is the construction method for polymer cement waterproof coatings? What should be noted during the construction process?
Release time:
2021-02-02
Synopsis: The advancement of technology keeps pace with the times, and as a key component in construction engineering, waterproofing technology has also made significant progress. The increasing demands for waterproofing technology imply a higher requirement for waterproofing effectiveness. In waterproofing projects, the construction methods for different waterproof materials vary. How should polymer cement waterproof coatings be correctly used, and what are the construction methods for polymer cement waterproof coatings? Let's take a look.
With the advancement of technology, waterproof engineering technology, as a key part of construction projects, has also made great progress. The increasing demands for waterproof engineering technology mean a higher demand for waterproofing effects. In waterproof engineering, the construction methods of different waterproof materials vary. How to correctly use polymer cement waterproof coatings, and what are the construction methods for polymer cement waterproof coatings? Let's take a look.
1. Base layer - First, the surface of the base layer needs to be treated to make it flat, solid, and free of sharp corners, and waterproof node treatment should be done according to design requirements. If there is oil contamination, it should be thoroughly cleaned, and low concave damaged areas should be leveled.
2. Proportioning - Mix according to the liquid and powder ratio indicated on the product packaging, using an electric mixer to stir evenly.
3. Method - First, pour the liquid material into the mixing bucket, and while the mixer is continuously stirring, gradually add the powder material, stirring thoroughly until it is uniform and free of lumps.
4. Additional waterproof layer for details - Fill the reserved grooves with sealing materials according to design requirements, and apply multiple coats at details such as corners and pipe roots. For underground projects, it is advisable to lay a layer of reinforcing material.
5. Construction of large surface waterproof layer - The waterproof coating should be applied in multiple coats, with a general interval of 2 hours between each coat. In winter, this interval should be extended, specifically until it is no longer sticky to the hands or feet. When adding reinforcing materials, the base should be laid flat without wrinkles, and the coating should be applied first, followed by another coat after laying.
6. After the membrane waterproof layer is completed and accepted as qualified, a protective isolation layer should be constructed according to design requirements.
Precautions for the construction process of polymer cement waterproof coatings
1. The temperature during the construction of polymer cement waterproof coatings must be above 5°C, and construction is not suitable during rainy weather or when there is visible water on the base layer.
2. The waterproof coating should be completely dry before proceeding with surface decoration construction. The complete drying time is about 2 days, and this should be appropriately extended in humid environments.
3. The cement mortar leveling layer at the corners of kitchens and bathrooms should be made into smooth small rounded corners with a uniform radius, forming a continuous and integral waterproof layer.
The above explains the construction methods and precautions for polymer cement waterproof coatings. I hope this is helpful to everyone. Zhuozhongzhizhong will continue to bring you valuable knowledge sharing on waterproofing.
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