 鲜花( 53)  鸡蛋( 0)
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5# manyu
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$ h, T" E, x* E; Y }4 t; `7 W! V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:" K+ y9 [5 i3 a; [
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.& D: ?0 ~5 \. ^
2. supporting beams are a bit too far away from each other.
7 s T( s5 T9 f* F3. supporting beams are not level due to earth settlement.. e; K8 A/ r, w
, o& |) ?1 V0 b/ ?/ n3 FFor 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.8 g: c3 q8 H8 K- [0 |7 ^" e
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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