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？
1 ^" V: U2 z  |5 G
% \- W( A. H2 Y2 A, [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？
: ^& W; R# H' {. a- i7 P3 B$ {& R. Z
一般如果是 Acrylic Stucco 外墙是R28

: |9 @2 W' M  SR-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。

, E6 F2 u" `. X# ^/ g6 t& A! q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
' }+ g+ n4 h# C" `$5/sf就升级2？毫无意义。

& @; W4 {4 N0 y* b' ]9 U# {查查你的窗户玻璃 R value 就知道了。

; h+ N$ {5 H) p) I' N; W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
% ^5 Y3 e5 y/ M& A8 t0 @. s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 S( x+ u! M3 x* ?& Y% r2 Y% O7 @Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
8 v7 w$ Z3 H0 y, d9 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%
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%
/ }3 |+ ^! f/ K/ BHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
4 X+ u; G: C, j$ [, F4 C6 c& }HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%