 鲜花( 53)  鸡蛋( 0)
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5# manyu
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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:
% J8 v9 m! Z3 T1 \8 Z1 u1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
" a$ a) S8 L0 [$ x; e4 {. E2. supporting beams are a bit too far away from each other.
& P1 ~* i# g. P3. supporting beams are not level due to earth settlement.
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+ @- W P) o/ o2 MFor 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.
9 ?& ^+ T! Z- Z& R) Z& e# uBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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