 鲜花( 53)  鸡蛋( 0)
|
5# manyu
' {- s9 c0 R( m) V/ }# L( Q# J( c& u# w) O7 {) s
) s/ c5 U& N) q: f$ `6 _' w5 U
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:
- w+ p; M. V3 ~! o5 F: @/ j" z1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
8 ^) r2 K5 I b3 @2. supporting beams are a bit too far away from each other.
" ]8 T; V/ x3 B7 v- A, o3. supporting beams are not level due to earth settlement.$ m6 J" b8 A) Z
$ B+ H! d% Y) `1 K' O9 {" A2 b
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.$ L# U5 n6 Q. M& r9 P
But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
|