 鲜花( 53)  鸡蛋( 0)
|
5# manyu 4 f) U+ R f# F3 G$ e6 R
/ p4 B2 U* i' f: B! l+ F
`5 h6 U, R$ M t3 t
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:! F4 d* p9 P) W
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.' O- d( j. {# ^) O/ u
2. supporting beams are a bit too far away from each other.
5 d4 a$ Q7 \. a3 d3. supporting beams are not level due to earth settlement.2 l$ m. ^! w, E) p
! j3 f8 T( t7 }! e1 @5 O/ ? l( m
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.
" g: J5 ?9 Q$ p6 x% o FBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
|