 鲜花( 53)  鸡蛋( 0)
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5# manyu
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! r1 u4 O( }' t# 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:
: a& a0 K8 y* i8 u6 K0 X9 O, N( g1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
& V% r0 S/ G! ]: v/ L% a2. supporting beams are a bit too far away from each other.
! m& B) Q* y5 Z+ B2 ?" ~3. supporting beams are not level due to earth settlement.
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2 G; g& ^# x- v! r# c5 E. M# aFor 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./ |1 ^/ _4 O( Q
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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