5#manyu 9 b5 O9 S. k- K 6 B% y( m/ g2 F/ w# x! ~; K- q- G" u3 n% c: f
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:* Z! F& A* S# D$ z! P8 n2 n
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose. " G1 O0 L2 n/ X3 g3 a% R! `* V4 w2. supporting beams are a bit too far away from each other.% A4 \! e$ P' a: Y& G
3. supporting beams are not level due to earth settlement.$ H5 W" p& `0 A: E3 V9 s
2 o- \7 u/ A6 x2 uFor 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. 6 T; L4 b$ W& R( [7 B4 o& {But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time.
5 d! v2 X3 c4 y1 [9 I! oIf the problem is real serious and your builder refuses to fix it, you may consider to hire a 3rd party professional (engineering co) to look at it and write up a report for you, but this will cost you money. OR 3 V) G# v1 J- {4 B7 TTry the Troubles Shooter (TV media), they will look into it and make it public on tv if it is really the builder's fault.
1, TAKE VIDEO;7 I7 x$ H: }; ^$ p! R. D
2, WRITE FORMAL LETTER TO BUILDER AND SAK THEM WRITE DOWN FOR YOU./ V; S# S7 H; {/ I' \, S" Y; F
白纸黑字,谁都受不了。ASK THIS BUILDER WRITE DOWN "过一段时间(也许6个月)will set down". 8 d4 O2 s+ F, l8 U, {* a3, THEN YOU KNOW WHAT IS HAPPENNING.