 鲜花( 53)  鸡蛋( 0)
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5# manyu
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3 h W8 c% T/ p3 ?3 `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:$ @/ I( h% {( m: M. W6 Z
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
( v$ r0 ?7 A. ]2 p( Y2. supporting beams are a bit too far away from each other.
' R- u& e8 [# u% `( O3. supporting beams are not level due to earth settlement./ n( ?" y4 \1 C. q8 H1 E- y( K
: D6 `8 W% m ^$ X/ V+ y6 T7 u8 I* ], g$ NFor 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.
: C k3 `- Q- ]8 yBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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