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？
# i1 `% U! }! m. m6 ]9 S
1 J( ^' }! A* ?- H) p一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
% A8 v/ `' r5 QR22是什么工艺？
+ P0 o  T# t) w9 l, C& H
7 y& ~4 G, R. R% z) P$ e' L! r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。

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
6 D$ q% i  G8 o$ i* R4 B5 Y% l$5/sf就升级2？毫无意义。

+ `# a9 g% v/ p+ o1 Z8 f查查你的窗户玻璃 R value 就知道了。

  B  p" e# a& d2 {  X$ ~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
* j7 J8 k8 I; l8 r你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
% w, l' d; f$ B! T: kTri 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%
) y' a% G8 Y$ D+ x8 zHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
" G; Z  g. u5 z1 _- zHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
) y9 r" S( |% |6 q0 CHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%