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？
# Y  r* ^/ d3 o. _1 Q1 w
9 D3 ]8 u; N: A. W, R0 ]; m一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
# T0 [2 T  y6 G, f, O% r7 S$ T7 {R22是什么工艺？

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。

; [: L; L% w, f& M3 ^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
4 A3 e; \+ K: ^. W$5/sf就升级2？毫无意义。
+ V! X, z! S. m0 a$ U# j% |* b
2 ~$ ^9 u# g7 l4 b- y. Z查查你的窗户玻璃 R value 就知道了。

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。

% i, i" R& j2 a) }+ t1 n( pTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
  U: g: b5 |0 [7 BTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
* H  k- ^- d7 J: V8 H! e' a! aHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
3 ^! M4 \. U- S# F5 B7 y7 mHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
6 g! H6 E1 u, E+ mHS3A 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%
HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%