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How to carry out professional roof waterproofing repair works
A professional roof waterproofing materials required (a) polymer cement waterproofing coatings are water-setting coatings, taking into account the advantages of polymer and hard cementation. Do not have to worry about the roof wet grassroots, it can be effectively bonded, not only solid, and strong extensibility.
(ii) inorganic waterproof coating this is more suitable for the transition layer of the roof. Mainly in the cement added a certain percentage of polymer, can be used directly in the concrete, as a strong waterproof layer to protect the substrate.
(c) organic waterproofing coatings are suitable for flexible waterproofing layer after the formation of coating film, seepage resistance is excellent. At the same time, the waterproof membrane without gaps, changing the lower level of bonding between the coating and the substrate. However, it requires the use of solvents such as formaldehyde to dilute, containing harmful substances, is not recommended.
Second, the professional roof waterproofing repair method of traditional roof waterproofing repair, focusing on the waterproof layer. If the roof leaks, it is the problem of the waterproof layer. First of all, you need to pry open the tiles outside the waterproof layer, dig out the original waterproof layer, and then re-construction. Make a good waterproof layer, and then tile. This construction project is very troublesome, need to use a lot of materials, spend a lot of labor, increasing unnecessary expenditure.
Professional roof waterproofing leakage is to abandon the traditional practice of tile surface treatment and repair. First of all, you should be clear of the cement between the tiles, solid glue, fill accordingly with cement, and then inject the waterproofing agent into it. This is done, do not have to pry tiles and lay tiles like the traditional method, saving materials, labor, and a day or two will form a solid waterproof layer on the tiles, waterproofing effect is perfect.
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