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？
4 \3 N: z. W. r8 P" y: h
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
2 m& `6 Z8 N6 S% c3 aR22是什么工艺？

! R* m7 k6 P1 i0 J. ~/ j一般如果是 Acrylic Stucco 外墙是R28

4 v$ P* o, w9 w& |0 \: g8 d" @2 cR-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。
2 ~* d2 ^9 d- \% s
# y8 b- @3 f9 ~: w! W* C5 `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
4 d& h/ @( ~" v- T2 L) k! O% ]! k$5/sf就升级2？毫无意义。

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
4 P# {1 k, k- t. L% w' 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。

0 W4 J! U3 Y( i+ \/ W" PTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
6 W+ G& x, J' t: X1 m- {. MTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
* ~8 I2 f& k4 ?  h: ?! p! l) \' PHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
9 e" u; I* c* L) ]  l  {0 BHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
. K' S! F7 z- ]% X7 @* {8 [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%
# ^7 L! P  p' U0 eHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
4 L0 U. J! P$ o7 i" F% |- u5 h2 zHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%