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？

一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
$ g% u$ I, H( e0 [& Q- p' \$ ZR22是什么工艺？
. Z3 K7 ]% Y: ]/ P/ F6 q5 m
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。
0 g0 I! [, C: S# m
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
% W* J5 @1 g- D6 k0 @3 C6 K' s$5/sf就升级2？毫无意义。

# {2 L; I7 y/ n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
: A4 x' T) j0 _& }; d! {2 A- o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%
Tri 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%
) q. f, b7 U+ v' jHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
- }+ p2 J( X) W1 ^; |: N' }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%
6 L8 z$ U- S4 E& GHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
/ B; I  K- [2 f- b( |4 k2 Y& d" EHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%