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  {0 x& i+ t0 H7 E一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
. d% Y0 l$ B& k6 oR22是什么工艺？

一般如果是 Acrylic Stucco 外墙是R28

, j& E/ g9 S% d, hR-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。

$ t. t2 V5 U7 G. Y3 p' P; a% ]( k) O) r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
; l5 K' J" D. t1 N; W$5/sf就升级2？毫无意义。
* L  M" j) H3 W4 d& ?
! v& ?0 R" U0 V, X* l查查你的窗户玻璃 R value 就知道了。

; s2 z( r  e! I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。

2 M4 |5 m- f* w: Z4 \5 ?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%
- c1 C' Q" Q; hHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
  _+ Z$ @! M6 ~HS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
* P/ C7 J" c! B4 iHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
5 n( D; J" a2 oHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
1 m9 m3 U( ?1 m/ h  W. ?0 v- ?) ]HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%