Quote:
Originally Posted by Maxjr758
Why ? Can't quite reach the windshield/windows of our Challenger without crawling up a ladder.
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Because if you prevent the sunlight from getting in it has no chance of heating up the windshield. With the foil on the inside the light goes through the windshield twice (and heats up the areas around the reflective foil). That glass does get warm.
By putting the cover on the outside only the cover gets slightly warm. We have a
Sunguard cover for our windshield and it makes a much bigger difference than when I use the foil (I use the inside foil when I store the coach so I don't have the Sunguard cover on all the time).
For a taller coach like your Challenger you might want to look into a Magneshade:
https://magneshade.com/