 鲜花( 53)  鸡蛋( 0)
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5# manyu
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- W/ d0 H/ W) y# Y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:0 }' D! U0 {$ ^ P" T
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
. \5 i! P9 @7 d/ Z7 u2. supporting beams are a bit too far away from each other.
) t' E+ K7 q7 P/ L: g3. 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.
$ V1 A; o4 x+ O: O; c' T2 vBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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