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？
/ K. ]2 f/ }: g8 V) \; q
! y9 C4 r; z/ g0 m4 I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？

; G9 b. e. w5 @* N/ \# j一般如果是 Acrylic Stucco 外墙是R28

  x! L2 j3 J% @. ?% TR-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。

: o+ W2 k5 a1 \/ J0 h- u: b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 J7 U, d8 v$ l$ s8 o$5/sf就升级2？毫无意义。
5 F1 F# i; _( W3 v
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。

Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
2 H1 e" w! o* S* y) l! QTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
HS1A 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%
/ Z: u+ X0 Q% Z+ ~8 VHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
& J6 b8 ?1 b' l! J  U8 XHS4A 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%
% [; |+ b" C1 o6 ]+ v! sHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%