 鲜花( 53)  鸡蛋( 0)
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5# manyu
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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:
# M2 m+ u7 ^; L% W( J! w9 I# M1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.: x+ X- e" z9 _' r3 _# w5 ^6 p; B" w
2. supporting beams are a bit too far away from each other.
9 @. b2 D% a7 O% W% n/ k! o3. supporting beams are not level due to earth settlement.1 f& y/ V d( E* V( N6 p* _1 ?
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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.9 \ J5 a. \4 d( E3 D( L8 b
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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