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？
3 S2 L. C' a2 y/ S0 E5 e# o
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
1 D4 L- e1 |# }) ]1 h4 g8 SR22是什么工艺？

一般如果是 Acrylic Stucco 外墙是R28

* D/ L- G2 U! xR-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。
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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+ u& v, o" q) y; h7 r* Q8 `* M$5/sf就升级2？毫无意义。
: y6 S+ z, v- }. A, c# Z
+ a: R) Y2 ]# F- d查查你的窗户玻璃 R value 就知道了。

, }4 V: ]9 _6 S; q0 C! @, Z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。

& A8 L( i% m- ^0 S8 R2 o4 LTriple 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%
& B+ ?! R* P+ e2 KHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
1 R& z7 |& e4 u5 g8 d1 K6 nHS2A 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%
HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%