 鲜花( 53)  鸡蛋( 0)
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5# manyu
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0 n& ?$ p% U9 _ S2 w* n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:
6 N, b. y9 n1 N s# |1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
9 i& w2 J3 t( p% @' a/ J% p8 e2. supporting beams are a bit too far away from each other.
& p+ z5 G& c; V. A3. supporting beams are not level due to earth settlement.0 h$ Y0 g- \1 p; \, x8 ^1 z4 n
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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.; }* ?5 N) d0 v. f5 q Y1 ~, U4 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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