Search found 2 matches
- Mon Sep 23, 2013 9:54 am
- Forum: Window Reviews
- Topic: Intercept Spacer vs Super spacer
- Replies: 19
- Views: 37120
Re: Intercept Spacer vs Super spacer
Metal expands and contracts, foam doesn't. There is no comparison in performance and efficiency between the two. Anyone telling you different, is a fool. NFRC states inside glass temp (0 outside/70 inside) Super Space is 17 degrees warmer against aluminum and 13 degrees warmer against Intercept. FYI...
- Wed Jan 23, 2013 4:07 pm
- Forum: Window Industry
- Topic: constant force vs block and tackle
- Replies: 45
- Views: 89539
Re: constant force vs block and tackle
I am amazed at the misinformation about this topic. I've been selling windows for 24 years and I'll give you my opinion. The block and tackle balance system is leaps and bounds, a much better system. First of all when tested, it doesn't fail until 24000 cycles. The constant force fails at 4500. Cons...
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