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？
: d7 B2 @& t) a5 ^) G. R5 q$ b+ Z
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
6 d& ~; p! S( \5 k- \R22是什么工艺？
$ E, J! S4 F/ ~/ u) {
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
$5/sf就升级2？毫无意义。

, S  K6 O! f9 o! d2 [查查你的窗户玻璃 R value 就知道了。

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
你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

; {0 L7 t1 ^. f1 ~0 fTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
Tri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
7 o: ?+ a3 t* y% h4 dHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
# P# m+ u. g2 R1 `$ NHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
, e  B: \, |1 AHS3A 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%
HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
: ?/ c3 B. l7 g+ o; KHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%