 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:
3 b( r" v; j |: z1 b% a# E1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.0 M$ u, \( I( R i' M' [4 n
2. supporting beams are a bit too far away from each other.4 E( Q! _6 N: _& 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.! ?4 U4 Q Y: u8 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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