 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:
1 R* F' I5 v' I* m, f+ N1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
7 @2 x4 u( `( Q( v; N2. supporting beams are a bit too far away from each other.
" t/ w; J/ x6 d2 l( [6 X. c' Q3. supporting beams are not level due to earth settlement.9 w# s+ r% l$ B# n
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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., c8 [( y- A5 o" N: _5 d
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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