 鲜花( 53)  鸡蛋( 0)
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5# manyu
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' f- r! H# U. B3 [4 d. u% P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:
+ m' i2 z+ J+ S, i. ]. O1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
: F, y% k7 }+ v5 @; T, s( ~5 Q4 \+ u2. supporting beams are a bit too far away from each other.
% D1 S/ [; a4 X! Y3. supporting beams are not level due to earth settlement.4 L6 O9 e! }+ k0 }
+ q( l, ?; i& g7 D% o3 zFor 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.
* Q7 m! V' t# M' Y, k8 uBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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