 鲜花( 53)  鸡蛋( 0)
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7 O- a* \. E. h0 h( {; J/ O- Y R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:
+ D' k3 j5 O/ B- d+ ? K1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose./ F5 Q& n& \" V4 z9 i" M' M' [. M5 w6 O
2. supporting beams are a bit too far away from each other.
0 x; u+ p' e' g% W$ A5 M9 y {3. supporting beams are not level due to earth settlement.
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1 y& Z4 n1 r0 [: D$ ]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.
0 Q* P8 M( p C# uBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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