 鲜花( 53)  鸡蛋( 0)
|
5# manyu + k" r: A' i4 I
2 t* c2 R& }' D2 P" r8 F" F4 T2 {; ?. E& C
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:
$ N3 ?& k8 C" v+ k1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.3 A7 a! o: o3 j' y+ U& E; ?
2. supporting beams are a bit too far away from each other.
4 i! Z: w" n$ W0 V9 i3. supporting beams are not level due to earth settlement.- ?4 G, A2 D( ^5 ?4 v
+ Z* a; f, \0 [ B* K6 |4 C
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.1 S- b" U0 ` Q% ?" T
But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
|