 鲜花( 53)  鸡蛋( 0)
|
5# manyu / \* w/ l9 G% }8 V0 Q* k
* f; |* h. l6 X% h6 b
7 `4 s* H" @" _2 ]+ e- A! ~
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 U- N. B5 D6 ^
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
% k; j8 g2 K4 s2. supporting beams are a bit too far away from each other., Y' |* a. N! A" I/ K
3. supporting beams are not level due to earth settlement.
" A( r! S. W7 |* T9 ?8 R8 Q) K! s/ ~
- k. o. N' q* pFor 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 L/ m& o1 |# L
But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
|