 鲜花( 53)  鸡蛋( 0)
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5# manyu " Q6 L5 Z: N2 i: ^! S3 i& `
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/ V; C2 F9 G- B, e8 s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:
; d" |5 f: \; ]1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose., W% B9 L& D I# g R( ]
2. supporting beams are a bit too far away from each other.
9 y% X2 T% j/ _3. 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.
- K* r( Z9 B2 X2 d% ^9 z9 RBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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