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？
) n; k/ h* B9 \9 j' N* I
' V- S' x8 x, ]) m5 V4 w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。
# c% G( o2 s8 `& A: d6 B: P) L
( K8 K- L4 j! ~8 S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
- V3 V5 m0 r+ @" a! y. G$5/sf就升级2？毫无意义。
/ O0 H, ^7 a) P) p1 U" w* q! ~
. B2 ]7 W/ E4 u7 r1 `0 a+ Q查查你的窗户玻璃 R value 就知道了。

# s) r' }7 A& D2 y# y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
* a0 X- j5 p+ \6 D/ L/ g1 J# 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。

8 ]8 j1 z) n# M' b. H& z; K/ [  QTriple 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%
+ c5 j( `& ^/ x; ^HS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
; ?/ x( Z1 p2 f& ~& Q' \0 J" J6 IHS2A 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%
* O& j3 G) W4 a$ {3 u; r2 x: }8 DHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
! }  h+ ]! c! L. RHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
2 M+ r: k$ O! T! s1 T" dHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%