 鲜花( 53)  鸡蛋( 0)
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* O. X' y- z2 i3 a: z; d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:) s: A# e! ^7 k0 q8 n
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
5 m/ P* n# f t' C% U% V u2. supporting beams are a bit too far away from each other.. W$ ?+ I6 a2 @( x
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.3 t" E; A5 p0 v2 @
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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