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？
6 }& E  ~! p" n9 G, g5 [. y
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
- E$ k: v8 g7 R: KR22是什么工艺？

3 A- h6 C& B, I9 e1 b$ O  [5 y一般如果是 Acrylic Stucco 外墙是R28

# r- w, E4 S0 HR-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。
# @+ Z/ `: X* h( ~- h5 l
2 h  a" n' U, }' X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
$5/sf就升级2？毫无意义。
# E. O3 A- A  e5 e4 j8 C1 m3 L0 ?
' Y7 A% V8 L$ U( F查查你的窗户玻璃 R value 就知道了。

+ ^2 N8 N: B! k% h" i; \9 G) Y! |! a  J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。

. o7 V1 U' M- e+ NTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
5 Y9 c/ b1 l8 w% u+ cTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
8 n" v6 U% C; M5 |* s$ zHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
% S" ^& O) j0 G0 n5 Z5 T" ^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%
0 P) Z+ h( {* M3 ~' y( GHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
6 {! U5 E8 L# ~HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
) e% O1 D8 J* B* o9 dHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%