 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:6 u2 f# \$ x9 x f7 t
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.! B J2 }; {8 ^! ^! p
2. supporting beams are a bit too far away from each other.: J1 m8 W- _, x% i; a. m8 i
3. supporting beams are not level due to earth settlement.# J0 R8 b8 q- K. j2 ?6 {
6 w b3 A8 X4 R0 d m. T% O9 w3 H, fFor 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.' g5 C9 ^3 T4 H2 }8 f) f4 H+ 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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