关于spray foam

h2o2003 · 发表于 2014-1-19 10:46

如果R value一样的话。Spray Foam是不是还是比普通的insulation要好。以2000尺的房子为例，用spray foam会贵多少呢？谢谢

vieri · 发表于 2014-1-19 11:42

本帖最后由 vieri 于 2014-1-19 12:26 编辑

Spray foam should have a higher averaged R value per inch thickness compared to regular batt insulation, and last longer. If you want the same R value, you need less thick spray foam than regular batt insulation. To compare the cost, you have to know how much R is required as per code, and calculate the required thickness and then calculate the price difference, this is my understanding, anyway, "the required R value as per code affects the insulation thickness, and the insulation thickness affects the price", hope this helps,

小黄 · 发表于 2014-1-19 16:49

如果 R Value 一样，spray foam肯定不好啊。

JZ9633 · 发表于 2014-1-20 15:26

spray foam is the standard for some builder.

peterpan · 发表于 2014-1-21 23:28

小黄发表于 2014-1-19 16:49
3 e" K3 H( G# r1 w! N! K6 [4 G$ s如果 R Value 一样，spray foam肯定不好啊。

为什么？想听听你的见解

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