 鲜花( 53)  鸡蛋( 0)
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5# manyu
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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:
+ z) @5 H3 @/ J9 T1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
% n% B7 V- K1 e0 j2. supporting beams are a bit too far away from each other.
7 x0 K. [) b$ t X3. supporting beams are not level due to earth settlement.
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k) p+ l! q( K IFor 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.: t. }% [2 t: E8 Z4 [0 w" B
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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