 鲜花( 53)  鸡蛋( 0)
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0 M! S; Y1 E0 _* _/ l* U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:
8 u5 |/ ]5 i; _6 A4 L; ?& z7 P1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.6 I6 `) q4 O# J3 \1 o; g
2. supporting beams are a bit too far away from each other., [9 w& H/ V5 L$ o' D" U* B
3. supporting beams are not level due to earth settlement.3 e$ F$ ^* O L' }
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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.
# g& n `' H5 aBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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