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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:
2 T. D9 {! P) j& B. a7 Y9 `1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose." W d7 c, g0 K# C4 j, ]3 q D7 D7 y
2. supporting beams are a bit too far away from each other.
' S! F9 i' ` `( }# R) p v; E9 `3. supporting beams are not level due to earth settlement.. ]: L8 M2 ]% p9 F: P2 f
4 m6 a2 O. i8 ?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.
6 H* |1 `: @: t# L# XBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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