Can you put two layers of vows on the sofa?

No, the self-built houses in rural areas will reduce the safety factor and seismic capacity of the building, and in serious cases, it will cause collapse.

My living room is a two-story fish tank, a grass tank and a sea tank. Pretty good.

Yes. You can do it yourself, put the outermost layer of sponge in the gap, then put hard foam, smear some cement, and finally brush a little branch width white My kitchen gap is like this, it's not bad. If the effect is not good, you can paste some wallpapers. >>>More

Trouble on the market is usually a soundproof board of sound insulation top seven or eight gypsum sound insulation, the ceiling is also a large keel cavity filled with cotton outside the soundproof board is not enough budget is not enough to use more soundproof felt to seal gypsum board, if you consider the height of the keel, directly soundproof felt soundproof board on the line that thing is nailed

Often due to insufficient function or area, the hollow part is often used as a floor slab, and the utilization rate is very high, you can choose a cast-in-place cement floor slab (need to calculate the structure to get a drawing), you can use the original square wood (fixed steel structure on both sides) to do the floor, and you can also use the steel structure to do the floor (need to calculate the structure to calculate the drawing).