 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:
& P8 _+ D! Y# X3 ~1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.0 J4 \" |( k- D k; D+ c* x, s. g
2. supporting beams are a bit too far away from each other./ T8 J/ D/ D2 r! m0 ^+ D
3. supporting beams are not level due to earth settlement. F. V+ H: D6 l( _' n
- L! G4 s$ X" nFor 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.# a" H8 n7 ?" E
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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