 鲜花( 53)  鸡蛋( 0)
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5# manyu
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1 r6 p* ^+ i( U' v0 q8 O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:
8 A# ?8 [! \6 p' X1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.+ y0 i% A+ q3 l- n+ b* J
2. supporting beams are a bit too far away from each other.$ [- O* O* z* H/ m# X5 e
3. supporting beams are not level due to earth settlement.' \# |! J- p/ c2 Z0 q) u a" F
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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.# q$ E5 G) |- `0 N
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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