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？

. t3 Z! ?8 n9 [7 g一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
' Q, C" q1 A6 KR22是什么工艺？

4 ]+ q$ }" M" d5 l一般如果是 Acrylic Stucco 外墙是R28

# L; f) }9 Z: I  zR-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

$5/sf就升级2？毫无意义。
8 p+ q$ Y7 v$ J: z* R# 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
+ p8 Z+ O' c- t# t2 n# ~$5/sf就升级2？毫无意义。
- ^2 k  z, i* n, g7 B4 z/ Y
查查你的窗户玻璃 R value 就知道了。

8 v. X7 M5 M& P* ?6 I3 v! }2 S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。

7 U$ Q9 t+ G+ R% w9 o7 `. |Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
# j* C4 H" H* r' s* cTri 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%
( j9 f* O8 M2 _4 E# X/ U  Z0 B) M' xHS2A 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%
" T# j6 }+ |) x# Q& |$ |% P- {HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
/ q7 ?4 ?) ]: j: L6 |& x1 W4 \HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%