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
R22是什么工艺？

一般如果是 Acrylic Stucco 外墙是R28

1 J% n, Q# Q. o) ]% S) yR-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。
( x+ _, E( B- \( y3 [! [/ V$ z& {
$ x; P- k: q1 z7 S( S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 _- {0 E$ w4 D6 K  g% z, ?. w$5/sf就升级2？毫无意义。

6 G# W2 K$ q8 `/ i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。

& Y( G2 }$ w& DTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
' u, O( I8 O% K# ZTri 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%
) t7 b1 b( d! q. ?$ WHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
5 N1 V; Y& b7 A: f. Y9 THS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
( n: G5 W6 H4 B: FHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
$ Q2 s& y# p1 L4 B0 H; z5 `HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%