 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:
/ n! O" Y. r' V# _$ N1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.3 a1 o# N6 L2 v, I v4 }1 j3 m" j
2. supporting beams are a bit too far away from each other.
6 l% u8 S# m9 w: w* C* l) k3. supporting beams are not level due to earth settlement.: n6 x! d" B. K! d
K7 Q6 M6 }5 i& c) iFor 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.
! J( Z. ~* Q0 ]5 @3 p: k* J. {" mBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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