我上页贴给你的链接里都有。我之所以说提Triple Pane的都是拍脑袋,你还没明白么。 STC: 一般single pane是27, double pane 29, triple pane 30。两层窗户中间隔4"-5 "是48左右。如果用惰性气体+laminated glass或者两个double pane会更高。 给人家提议triple pane,多花很多钱根本起不到任何明显的隔音作用(a STC increase of 1- 3, rated "Almost imperceptible")。不了解还是不要给别人乱提建议。 关于比例说明: Why the STC Rating Numbers are so Close in Value STC rating measurement uses a special scale like the Richter Scale for earthquakes. An increase from 28 to 38 means 90% of the noise is reduced. A change from 28 to 43 represents a noise reduction of over 95%. Small increases can mean a lot of extra noise reduction. The increase from 38 to 43 mentioned above does not sound like much (90% versus 95+% in reductions) - but going from 90% to over 95% means that 60% of the remaining noise was removed; every number represents a large amount of noise. 关于STC介绍: http://www.stcratings.com/ 要是db不了解: http://en.wikipedia.org/wiki/Decibel db是log的,所以STC也是。
【在 t****e 的大作中提到】 : 我觉得我说话挺白的了:) : 再白点,就是好多少,用数字表示的。 : : than
t*e
30 楼
不错,信息量很丰富。学习了。
么。 -5 increase of 1- A
【在 l****l 的大作中提到】 : 我上页贴给你的链接里都有。我之所以说提Triple Pane的都是拍脑袋,你还没明白么。 : STC: 一般single pane是27, double pane 29, triple pane 30。两层窗户中间隔4"-5 : "是48左右。如果用惰性气体+laminated glass或者两个double pane会更高。 : 给人家提议triple pane,多花很多钱根本起不到任何明显的隔音作用(a STC increase of 1- : 3, rated "Almost imperceptible")。不了解还是不要给别人乱提建议。 : 关于比例说明: : Why the STC Rating Numbers are so Close in Value : STC rating measurement uses a special scale like the Richter Scale for : earthquakes. An increase from 28 to 38 means 90% of the noise is reduced. A : change from 28 to 43 represents a noise reduction of over 95%. Small