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？
  \' }- A( {2 H# s# K" P
  B7 ]( {1 g3 L- Z- {$ p6 B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

! ~4 X) _. e2 M9 L, @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。

3 d. B, h( O1 w" Y/ x5 ^% `) }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
, f$ q2 j6 f, v& O0 v$5/sf就升级2？毫无意义。
8 k2 F- I2 e+ r2 H
( [& O4 t* S* Q. w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。

Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
# O6 L3 Q9 U0 ^8 M8 }8 n; O, fTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
2 e% d$ v1 K/ l; h' u: GHS1A 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%
, l0 ]) Z9 J: G" PHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
8 h, `' K3 f& E. s9 G9 OHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
3 O' `& P: q( I1 |3 [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%