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？
$ N" {' U8 A1 f  E
% Z/ [" J) _5 ]0 z, m( G3 w: f/ J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？

一般如果是 Acrylic Stucco 外墙是R28

6 \9 X- d" {# J; AR-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 I  ~7 V; G' L  Z
0 S8 w* x8 t2 P  L! r' F; k" 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
$5/sf就升级2？毫无意义。
' V9 k  c1 ^+ R6 O
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。

% c! }0 t" l9 H' M6 STriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
0 b; q( @# S& z, F6 JTri 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%
7 }' l/ V, _* m0 eHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
/ B7 e8 ~8 ^! y6 Y0 i; FHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
+ }$ v/ m% k- U0 R. J- |HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
- Z6 V0 L$ H) h" X+ X( }2 iHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%