 鲜花( 53)  鸡蛋( 0)
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5# manyu
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+ @0 g# ]' w: A; Q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:
6 p9 f& r0 i% z) g/ D1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.9 p( |# D8 e1 ]# F& {
2. supporting beams are a bit too far away from each other. U# Y8 A$ O1 P4 ^8 y1 L
3. supporting beams are not level due to earth settlement.
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# F/ x% ^4 |, A, t% lFor 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.; R9 U+ d: Q$ U/ S9 O: g. Q6 X4 l3 w/ h
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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