 鲜花( 53)  鸡蛋( 0)
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5# manyu # d( d, _0 |) ?" {, T/ V
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9 k( }" u w% E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:
% ]8 I6 j/ A" B5 I1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.# \& J% [, {; n
2. supporting beams are a bit too far away from each other.7 i7 h6 d+ X, [7 P, I
3. supporting beams are not level due to earth settlement.
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9 K% K7 u) a( o. d9 _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.
! y n, H1 V* t+ e% U( V3 F$ E: BBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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