Greenhouse reconstruction: the heating pipes leading to the upper and lower floors were cut and removed, and there were holes in the upper and lower floors. How to block this hole has the best sound i

Greenhouse reconstruction: the heating pipes leading to the upper and lower floors were cut and removed, and there were holes in the upper and lower floors. How to block this hole has the best sound insulation effect. Experienced Make a hole in the board, then put the wire through the hole, and then put the wire through the hole from under the floor. On it, pass a wooden stick through the hole and tie it with wire. Just get a mold under the hole, plug the hole with concrete from above, and then waterproof it with water, which will be as strong as the original floor.