 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:
9 y) |* C* ?0 ~+ s; F/ `1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.5 ?1 X: g) |2 c" z$ Q
2. supporting beams are a bit too far away from each other.7 f$ T# y- x) }' U3 w# {8 n+ N
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.3 _ }& @/ e. T2 ^2 K# z
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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