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？
. @3 k5 ?" T9 k8 W( [
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？
, ], j3 K: F8 |) F% e' B( A0 `
( Q9 q; o% f. ~* y/ [3 p, s一般如果是 Acrylic Stucco 外墙是R28

0 b; |7 I( s! d, ?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。

6 P5 f; A0 W( _6 f) l0 \8 H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。
; E; V0 e& ~" u( A  H. T2 k
8 |0 }! Q- h3 d& G7 s查查你的窗户玻璃 R value 就知道了。

* \2 P, G* v5 B8 r6 O# k- v% h6 z3 j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
# j2 x8 v% S1 P0 Z0 ]$ k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%
, [$ o  R$ F7 O' r2 Q' zHS1A 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%
) }0 l1 T0 F+ Y% {/ n. w7 qHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
" K1 w( f$ e2 U+ m& ^- E. WHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
$ `* B; m4 u3 f' W2 h5 p5 y. yHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%