 鲜花( 53)  鸡蛋( 0)
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5# manyu
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/ q2 k d0 z2 A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:5 {, o# j7 z- Z t& @) M s0 @
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.$ R( i' y) |% l
2. supporting beams are a bit too far away from each other.$ M8 g! a5 {; Q! x0 Z9 c }
3. supporting beams are not level due to earth settlement.
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. T6 _9 J# U6 ?1 ?# wFor 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.
) S: I) I+ T$ r+ ^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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