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？
' N1 X' R/ C5 t9 b8 |
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
1 z6 _* |) Z2 v1 G8 JR22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。
) q7 R2 A( w5 a) V( S- ~4 \
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
% g- H; c: ?/ C! t0 ^& y  ~" g4 Z你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

3 V4 r- a$ U6 X/ C4 gTriple 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%
% F! ^+ p# y4 ]2 ~) F% yHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
; e7 w" Z/ s7 u. mHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
3 w. ^8 v8 `& NHS3A 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%
/ e; P6 l' T! f; u5 RHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
6 ~2 }% t# Z( ^HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%