 鲜花( 53)  鸡蛋( 0)
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5# manyu , I: B. q, C5 h+ ^- D- i( d! S7 q
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, x( Z% c$ T% P$ @+ 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:
2 [9 n/ [9 ]8 Q0 {6 ], z; N1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.6 v) x/ L/ [5 m
2. supporting beams are a bit too far away from each other.
; b1 g; f- s1 G# _7 o3. supporting beams are not level due to earth settlement.4 K7 |. h9 i' P' z5 n% b
4 ?, b2 a+ ~ P/ B' y1 ~$ U( _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.8 c# x2 A O8 i2 O2 E+ a8 j% G" d) u
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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