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Question:

Is the foundation covered with film or damp proof powder?

Is the foundation covered with film or damp proof powder?

Answer:

1, I do not know what is the principle of moistureproof powder?. It is estimated that it is additive. But not added to mortar, doubt the function.2, the film will be better, but the follow-up construction is easy to damage, durability is limited, it is better to do a waterproof.3, on the foundation moistureproof, equal to did not do. It is no use crossing a block of water in the middle of the pool. Damp proof should be done below ground level.4, I don't think the film is better than the traditional damp proof layer. Can the height on the ground, construction (brick), can play a role of natural moisture barrier; or on the ground part of the wall construction waterproof isolation layer.
And moisture-proof powder is similar to desiccant, moisture can only be, but if the humidity is relatively large or too much water, then the performance is not as good as the film. So it is better to use film to prevent moisture on foundation, but don't damage it during construction.
It's best to use film moisture proof.Because the film moistureproof belongs to the coiled material waterproof category, the foundation uses, is equal to the whole has added the waterproof coiled material, the waterproof moisture-proof effect is better.

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