 鲜花( 53)  鸡蛋( 0)
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7 g( W# p' Y! y/ S W9 D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:
! p! R" F1 W5 r! \# ~! ^* p5 D' s; g2 h1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.6 s' A0 Z* T% P2 |0 N: T3 ~5 {
2. supporting beams are a bit too far away from each other.
$ R- @0 D2 p j7 g4 I3 I9 E3. 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.0 ]5 Q, F. ^1 O2 C5 J' O
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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