 鲜花( 53)  鸡蛋( 0)
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" ^8 b) |, x* L Z( ]% `+ ]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: y4 K3 C' M6 ]$ J1 ]6 C+ c' a$ ~
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
+ L! K4 p3 Q0 X2. supporting beams are a bit too far away from each other.; O: `2 B" ?, i' b
3. supporting beams are not level due to earth settlement." N4 A/ \( g' ?; }5 c3 N6 Q
_$ ^9 y* }% ? ?* J; d2 XFor 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.
* i5 f9 h( S$ y+ h0 E4 N. HBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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