 鲜花( 53)  鸡蛋( 0)
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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:: E; u3 W E, U4 T
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.3 ]3 n$ e5 G b- i6 p! x0 m
2. supporting beams are a bit too far away from each other.
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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.
+ E( c# u) E& `3 e- X4 ^# _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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