 鲜花( 53)  鸡蛋( 0)
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5# manyu
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1 N3 U. ~" N- v; Z7 F( R找回以前的貼子,對我來說也不容易,還是簡單再說一遍好了 Possible causes are:: c9 X5 g6 K7 b" h
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
5 H3 x) b: x! Z' Y; d8 ?2. supporting beams are a bit too far away from each other.* N' S% U! d& b% q( \
3. supporting beams are not level due to earth settlement.
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For 2, you may need someone with engineering knowledge to find out, but there should be a building code governing the span distance. For 3, you can go down the basement to do a visual check yourself.* z8 }( E7 Y' w% i) n
But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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