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
& a% Q- D( V% ?& ]1 HR22是什么工艺？

( d5 J4 |( a- t# U7 M一般如果是 Acrylic Stucco 外墙是R28

R-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。

: `+ r& o, w) y' W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
8 [) m& K4 q* r9 n$5/sf就升级2？毫无意义。
2 ?! {3 i0 T3 Y
- N  \+ r0 e% r. T! |/ u$ F查查你的窗户玻璃 R value 就知道了。

1 S! }& p/ s# K9 L# f0 y: q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。

$ @0 r6 P* s. L, h; _Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
+ ?" F1 u1 J7 P- ~# NTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
7 s/ l* K& }9 W/ Q& aHS1A 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%
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%
- X% L' I. z# t' b0 V+ U8 R: JHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%