After the bathroom caisson is paved with asphalt and then paved with cement sand, will there be a ho

Updated on Bathroom 2024-09-13
1 answers
  1. Anonymous users2024-01-24

    There will also be the sound of hollow drums, and if the cement and sand are paved thicker, the sound will be quieter. Asphalt, which is what we call polyurethane, is not easy to penetrate, and the adhesion to the cement sand laid on the surface behind is not very good.

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