 鲜花( 53)  鸡蛋( 0)
|
5# manyu - l/ _- w* V* k6 r# q, q* G: [3 ?
% h# t6 F4 Q3 }' p9 }- { G, ~. s% f" K) _! k
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, A8 ^; \5 X5 n7 e, j6 ?8 w1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.- B3 u9 f* |, h- A E$ }
2. supporting beams are a bit too far away from each other. {6 W# |$ ], w, G4 R# I9 {
3. supporting beams are not level due to earth settlement.
( [3 n$ r" X: ~! z3 }. d, v- x( Y7 R8 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.
' V% S, J* a5 p4 V8 z% `But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
|