 鲜花( 53)  鸡蛋( 0)
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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:% D2 n0 B7 ?' c- L4 L) x- a
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
; w5 R- t/ L4 ]2. supporting beams are a bit too far away from each other., _% c( g3 W; S8 [0 ] {
3. supporting beams are not level due to earth settlement.
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4 x! j0 q" a" n* `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.; L8 i* r$ p$ r% K" z5 O
But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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