Xuanhua Huajin - professional waterproof materials factory, waterproof material to provide a variety of products! Here's what JS waterproof coating requirements grassroots film is?
The base layer is the basis on which the waterproof layer resides. Compared with the waterproof layer of the coil, the waterproofing of the coating film is more stringent on the base layer.
1. Surface quality: If the surface is loose, the strength is too low, and the crack is too large, it is easy to make the coating film of JS waterproof coating not adhere well to the base layer. In the process of use, the coating film and the base layer are often peeled off and become leakage. One of the main reasons. The new regulations stipulate that the grassroots layer should be compacted and flat, and there should be no such phenomena as looseness, sanding and peeling.
　　
2. Flatness: The flatness of the base layer is the key to ensure the waterproof quality of the coating film of JS waterproof coating . If the surface of the base layer is uneven or locally bulged, when the waterproof layer of the coating film is used, the uneven thickness of the coating film and the convex portion of the base layer are likely to occur, so that the thickness of the coating film is reduced, which affects the durability; the depressed portion of the base layer makes the coating film The layer is thickened and the waterproof coating is wasted. Therefore, the new specification stipulates that the flatness of the screed should be inspected with a 2m long ruler and the gap should not exceed 5m .
　　
Regarding the above, do you have any questions? I hope everyone likes it.
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