Search found 2 matches

by marshray70
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...
by marshray70
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...