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？
: [7 L( o( ]4 v( ^/ W
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
  {, W% x2 q- Y% AR22是什么工艺？
/ {8 O$ G2 j- {9 Z) z  J, ~
8 A# p! g" ~3 t% }. O- P- J一般如果是 Acrylic Stucco 外墙是R28

0 s  k7 h/ ^5 O" C$ |: y# }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

$5/sf就升级2？毫无意义。
  e* \8 }8 M$ j( w+ n6 i3 f$ \/ _
3 w. q; |( Z9 V3 q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。

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
( ^$ X$ t5 H. p! p# N+ P1 C# 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。

3 X. h6 M) u- i- T4 O3 DTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
0 G0 r- |6 ]. RTri 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%
! {+ X  \9 ]6 J: Q4 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%
& \9 j3 R7 v; u* uHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
1 g# G# w7 E4 u3 X6 X0 _HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
1 Y5 b. r( U* QHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%