 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:
- i+ L- U/ H+ ~8 C8 B( s, R& W- [1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
' q( o( u# J& e5 n$ J2. supporting beams are a bit too far away from each other.
) T8 C. ?, D; ^, B5 a+ G3. supporting beams are not level due to earth settlement.
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2 I: u& ]" W$ h4 c Q7 [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./ I6 W) @; ~" ]+ \9 A+ D
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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