 鲜花( 53)  鸡蛋( 0)
|
5# manyu * M$ Z5 E; h2 w
7 M) ^) q" u% N' [
' X' l5 J, m# L8 i ]) F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:, U& c8 x( h- z9 m* h9 ~
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.9 @& U3 ?0 n; ?" b% B9 v
2. supporting beams are a bit too far away from each other.1 a- J5 Q4 l3 N7 \
3. supporting beams are not level due to earth settlement.5 N" U, ?, b0 Y! K0 v
9 g. k$ R* \# R$ E8 M. ]6 f7 v
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.
( o' v$ f3 O! BBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
|