 鲜花( 53)  鸡蛋( 0)
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5# manyu , W/ h7 b* H) H! R6 n9 H
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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:
; [- ]& U7 v/ V/ t R) g& g5 k0 D1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.. H5 {% t6 C* o/ f) _2 C
2. supporting beams are a bit too far away from each other.
3 }& h2 I8 U0 `+ r6 y( K3. supporting beams are not level due to earth settlement.' \# f2 v/ |+ ~% w, C$ k3 {9 X- k
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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.4 H( U8 X! E! G# a
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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