 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:" |" a$ z b- ? m
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
+ X t9 ]4 q, @% Y2. supporting beams are a bit too far away from each other.! f$ k, m* U6 W$ _( u. o, @+ S
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.+ X* [+ u5 p Z8 ?1 ?7 J) R1 k9 _# x
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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