 鲜花( 53)  鸡蛋( 0)
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5# manyu
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- V4 p+ u- _, e% F, K0 @( @; m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 {! b9 N. E+ r0 W# @( ?0 `9 x
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
& L4 r& z+ p7 F- M _ q& d. x2. supporting beams are a bit too far away from each other.
8 b* C, z& @/ g8 f ?! {% U9 [3. supporting beams are not level due to earth settlement.
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h8 g: I8 D% \6 ~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.
4 e$ {2 p. G) `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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