 鲜花( 53)  鸡蛋( 0)
|
5# manyu 2 a' I7 N$ m# w& C1 g* s" B6 S2 ~
* V# O6 F" R7 e9 i* w& i' e& c
% F p, e! _9 T- x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:1 Y, _# p) _; H, B! X+ Q
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
( Q+ p4 H& y8 J7 V" {2. supporting beams are a bit too far away from each other. d% v3 n2 r+ B( X, p
3. supporting beams are not level due to earth settlement.9 H& ]: S' r% o# {( F* @# \
2 g, u5 x5 O/ G+ e1 bFor 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.) F6 w8 S! Q: V0 v# J. Z/ U
But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
|