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？
! S* Q% Y% K6 ?( v& t
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
4 ^9 j4 n7 r$ \" B0 E, r1 T' K  e' M# k& vR22是什么工艺？

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。

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。

查查你的窗户玻璃 R value 就知道了。

$ f" J( a/ \, K) K8 H- ]- m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
3 d; K5 N4 B5 i- b6 Y' w, F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%
Tri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
) p# s5 H, Y& t  a6 [8 \HS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
* x6 Q$ |: d! D/ i) YHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
0 {# {  l4 P* O/ b7 oHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
  k/ e) x9 K2 c- YHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
9 M1 R& ^- a* v  S, H- E# IHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
* `! W' f+ j3 H7 u: W9 ~1 W/ [HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%