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？
' K( E2 E3 D" D: s/ @/ r! ]
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
2 `  D0 I+ \0 M% \+ c8 O$ Y9 rR22是什么工艺？

& d2 J( y1 C( \5 z* S一般如果是 Acrylic Stucco 外墙是R28

  c1 ^, T% ~7 r9 [. ]/ DR-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。

$ i8 a( P5 y4 ?/ B" T7 A3 h/ U1 v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
$5/sf就升级2？毫无意义。
6 A* R9 C6 f0 v/ l, {$ H% Y. |
# Z/ H, t% }8 [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。

' M) o3 D. }1 ITriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
) t& U: k* B* `' i) G0 O+ PTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
4 \3 w& v9 O& a. VHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
9 _$ L$ @( W1 X+ E, FHS2A 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%
( ^; X  I/ |* s: ]6 L# FHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
* s: e; J8 S% |1 p7 l* K+ Q$ \' `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%