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
, X5 h  r' T) x4 NR22是什么工艺？

一般如果是 Acrylic Stucco 外墙是R28

4 b: k; t- q, n6 Q9 \6 QR-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。

& ~3 ~) h& w4 r- ~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。
$ R4 {5 \% Q" J5 A. z+ ?$ y
0 N8 q7 e; n2 B9 s查查你的窗户玻璃 R value 就知道了。

( s$ B; M% U. g4 d. {/ c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。

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%
HS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
0 b( T  X9 Y6 c/ n* G) x6 E+ cHS3A 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%
3 Z  {8 O2 w& i; h" X. F& zHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
' u' N3 x/ r1 _! S: P. a6 n) LHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%