你的房子外墙的保温R值是多少？

lu_guo

是不是R=12 是 minimum requirement？R = 20的情况还有没有必要上升成R=22？据说大概要5到6刀/平尺啊。

无语

真深奥。。。

ceramistpalace

The higher R value, the better.

小黄

R22是什么工艺？

7 J* O" o, N& y' v/ L* i一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
+ T6 I- ?8 c# m' LR22是什么工艺？
. w8 W5 t# R# A$ x; v- r
2 I7 y  q: ~+ u% |; q5 }一般如果是 Acrylic Stucco 外墙是R28

R-20 fibreglass batt insulation to exterior walls. CGSB polyethylene vapour barrier. Basement foundation walls - R-12 fibreglass insulation c/w CGSB poly vapour barrier, ceiling to floor

小黄

$5/sf就升级2？毫无意义。
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0 V5 K& E- q4 q% t查查你的窗户玻璃 R value 就知道了。

lu_guo

小黄 发表于 2013-10-14 21:51
$5/sf就升级2？毫无意义。

查查你的窗户玻璃 R value 就知道了。

9 I" b) C0 U$ `* q8 ?" N) a你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

小黄

lu_guo 发表于 2013-10-14 20:58
; y  {5 @# D+ I: P0 D+ L4 d你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

6 b2 K6 u0 g9 l7 L$ ?$ A) qTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
1 ^1 L! g+ O8 `9 ]' b3 p0 u5 e% U4 R9 eTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
HS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
HS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
HS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
HS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
* P: ^8 H* W/ |5 y$ c  m( v, WHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
% ^* A( ?* A( ]% w, i$ cHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%