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枫下家园 / 美丽家居 / Arctic Insulation，这些小孔是干什么的（看起来像是屋檐上的）？通气用的？能不能堵上？我加一层，应该按第二个图例左边的铺还是右边的铺（小孔全堵上了）？
-joan1988(梦幻花园);
2008-11-9
(#4828284@0)
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air flow which reduce moisture, I think you can block some, not all
-weibing(SimonLee);
2008-11-9
(#4828932@0)
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That's what I thought. I left some. Thanks.
-joan1988(梦幻花园);
2008-11-9
(#4828942@0)
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你买了多少包，多少钱？
-cockle(cockle);
2008-11-10
(#4829871@0)
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I brought R20 for arctic, $48+ each. It's 6" thick and I tear it into two 3" each (I just need to add-on). I brought 8 packs to cover about 1200sqft roof.
-joan1988(梦幻花园);
2008-11-10
(#4830217@0)
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我的通风管用的是FOAM(钉在ROOF上),前后共有才8个.感觉太少了,冬天房堰老有冰.HOMEDEPOT有卖FOAM的, 上面说明是20个/1000FT2. 我再想是否太少了. 还准备加呢? 地方很矮,很不方便. 请教:你家是每隔一挡一个通风口吗?
-lhq2000(阿伟);
2008-11-10
(#4830990@0)
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I don't know what you are talking about. Is it the same thing as my 小孔? BTW, I feel my house warmer now. It's good.
-joan1988(梦幻花园);
2008-11-11
(#4832920@0)