 鲜花( 53)  鸡蛋( 0)
|
5# manyu 5 ]+ F' c" J8 w% `# r
5 ~1 h. A ?9 ~# |, z2 a G. f9 {9 V7 K$ b/ {- E) V( e7 z% f/ 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:& `2 P1 o7 u0 I( T \
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
6 n7 k; t5 {+ w/ w( G2. supporting beams are a bit too far away from each other.
: m% D6 K x/ l7 D, [7 K3. supporting beams are not level due to earth settlement.8 I& X2 b! O# ?$ e
U5 [: ]% D2 `& b% Q
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.. ~2 j+ l% N4 C( b% I8 Z9 s& f
But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
|