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
R22是什么工艺？
! F3 X% v3 u4 D8 K  ^
一般如果是 Acrylic Stucco 外墙是R28

, r4 x2 p) w! B+ c* VR-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。

0 t. R2 x8 S+ D* I$ y' G4 \0 A5 p* X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
3 S5 N$ x2 K0 c& P6 X; p% s! t  j$5/sf就升级2？毫无意义。

: f* ]( }1 O  F* Q8 m' K查查你的窗户玻璃 R value 就知道了。

, a2 ^; m4 P/ u& H& ~+ q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。

) h# y& _9 \) J1 }, V2 MTriple 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%
$ g1 j* N6 B$ G% HHS1A 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%
9 A+ X5 ^% S) a: L# M& f- I8 VHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
8 b4 v  k3 h; Y) B  @7 OHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%