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？
5 i5 |3 h- }- B) D" e
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
R22是什么工艺？
. l( Q5 ^) s- M9 ^+ g, M! y& S( X
" z# U0 l( E7 |4 |+ A3 Y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。
( k* @, F! _# h5 x# B
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
: _1 ]" g) I& R* c# f* n$5/sf就升级2？毫无意义。
# m3 h) d) |& k# K$ }
2 @# {" m& h5 K' S查查你的窗户玻璃 R value 就知道了。

; V( X7 h& ^4 b6 X8 P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
" d8 ]. ]; S% C/ q& h5 ]  S* H# m) ~你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

7 \: P+ [7 j/ ?: ]2 S5 b+ STriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
) {& G. @# u8 \% A  N' L( }' 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%
/ d, V6 Y2 h! O: eHS3A 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%
/ v' P1 E+ i) w' DHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%