 鲜花( 53)  鸡蛋( 0)
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5# manyu
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8 K- I% Z* N8 d6 B/ c. [0 ]7 \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:
: L1 ?8 o7 q: N& v( L% m: w1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
* N8 E& i% s8 J k! r2. supporting beams are a bit too far away from each other.8 t# a( {8 I2 R. R
3. supporting beams are not level due to earth settlement.
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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.- d' h$ q) G4 x" [3 w7 Z
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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