 鲜花( 53)  鸡蛋( 0)
|
5# manyu
4 T% i% |+ v0 o; O f4 v
! ?1 L5 _7 q( n2 B, V
; q r& k4 R! Q) [+ G9 S" T) I! j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:! Z5 v1 R1 E# ~- Y/ b5 ~0 c
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
0 L5 z) d; t( ~' n2. supporting beams are a bit too far away from each other.# q+ i3 w+ g% U: x# | f
3. supporting beams are not level due to earth settlement.
" c% m' T1 u0 d$ ?/ h
# S0 i( K, {% h+ Y5 h; iFor 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.
4 P9 F8 G1 O+ P6 kBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
|