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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:( I$ B" ?2 v2 @' O8 h- m/ A
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
$ ?) k) z' j/ f! w ^( [+ u2. supporting beams are a bit too far away from each other.) w( V7 t: w6 x! g: x- w# S. f( f
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./ B8 A* \" g* s; |/ n5 v* O
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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