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
/ f2 x2 I; n; Q8 o( k1 ~R22是什么工艺？
. L( j/ ^& ]# C% [& h; h
一般如果是 Acrylic Stucco 外墙是R28

) |4 x! l& l  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

$5/sf就升级2？毫无意义。
) e& t% D1 R8 J9 c$ I& L
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
: A! E3 N* K* B7 H  K' C2 `$5/sf就升级2？毫无意义。

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。

  f9 y3 Z5 d9 R" XTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
* V, i: t$ |3 p0 R6 w; cTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
) O* r* |! d' |2 eHS1A 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%
+ O- X" g; y" o% P# P. L+ j* EHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
: E' A- X; l6 THS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%