 鲜花( 53)  鸡蛋( 0)
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/ U5 v( ^* ^" D6 J# |) P/ N! _! u$ a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:
& w) D! k6 X+ U- g1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
' a! w; S; [* F' Q7 N# c ~4 F2. supporting beams are a bit too far away from each other.
, o9 i! D0 k& t7 m" g& b. Q3. 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.
7 y: z" J$ I6 w0 e! t: N6 u. DBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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