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？
( x0 S' W# {% b0 k: i$ ?7 b8 h  u
1 z: q2 n' Z2 ~/ A' d# Q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？

* x4 z; _6 e/ `& t$ Y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

$5/sf就升级2？毫无意义。
8 q# }8 l# C$ ]
+ h6 Y# ?, [# _- j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。
" D. }. i4 e/ }. q" ~" I
# x9 `% z0 r- g& c6 \8 J查查你的窗户玻璃 R value 就知道了。

8 |4 O0 T9 G7 u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。

Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
1 k4 M6 O9 A2 {+ m6 z( A( JTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
' G# O0 k5 V# B7 C- h, F- S$ `+ B& v& gHS1A 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%
/ J# [3 Q  K+ [5 i; M, b1 k: B6 FHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
, E7 I7 T# p# Q# F7 {HS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
+ I, _# }, S9 |7 F4 I% T2 jHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
3 {' M0 R, v. K* IHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%