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？
$ b( C7 q" s; _$ a4 o  e$ a9 e
! ]3 f' ?4 u0 e* d一般如果是 Acrylic Stucco 外墙是R28

- Y8 J/ e# Z( r" c# ?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

$5/sf就升级2？毫无意义。
5 O& z$ @' t4 P2 R* V! I
$ J9 t! y! U6 J  O" T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
$5/sf就升级2？毫无意义。
) D8 @& k$ N1 ], B( @9 I2 t
7 P2 A* K# T5 `5 v5 k查查你的窗户玻璃 R value 就知道了。

) Z4 B, w7 l* v# R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。

; n5 b  t7 c" cTriple 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%
! v+ c) B, V2 K" n& f& V! RHS1A 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%
& P+ `7 R' h6 ?+ Z0 k8 LHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
' d$ F& F/ W$ A: w3 g1 R9 L% DHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%