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？
/ ]5 d4 N+ a% M( k% s2 u
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

6 H6 ?) R- t- i6 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。

$ I* |" m& Q& s* F* k7 r0 i2 B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
  o) B4 t$ @2 }0 D5 V$5/sf就升级2？毫无意义。
4 U; ^+ @9 K8 }; P
. F9 n" g: u. N3 ^! R/ b( T查查你的窗户玻璃 R value 就知道了。

) _7 u2 y" M& ~: u4 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
, }, G& O( I/ b' T你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

5 s/ \3 j2 q# n; xTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
7 G4 G! b, H. O) L# b, g9 ITri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
. u# ^4 M5 U+ ~" B8 }/ H& {7 YHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
4 Q* U2 C" L8 p! IHS2A 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%
4 ^9 q- X. f3 ]* UHS5A 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%