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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:
! D0 {$ ^/ h: c- S* s+ Q5 A1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
' W6 P# z: s- c7 \5 M2. supporting beams are a bit too far away from each other.; U |+ z8 B }- |0 L2 a1 @
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.7 R% z! z2 i2 x0 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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