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？

5 K4 U, _  u8 U- q% x& {# |+ H$ Z一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
& p/ V+ d  Y! w: Z3 \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。
" R) T, \! v2 |
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
3 ?( f  D; E+ r$5/sf就升级2？毫无意义。

% `! `! Y8 i2 M: D" a5 u; j) l1 @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
3 j& E) f4 A, K4 J" u; k. S0 @- s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%
6 ~9 q7 d0 |3 `Tri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
) j. Q% g( X5 }, _+ k) ~, jHS1A 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%
, e) f  N) H- _  DHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
! t% T+ b( v' _8 L' t! HHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
( d( b/ m5 w8 g: ~( k9 O( aHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
  T* M  @5 T* J; YHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%