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Old 03-06-2013, 06:32 PM   #11
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double reflective comparison

RoadTrip,

Very interesting post. I am going to emulate what you did in my MH. I live in Lothian a little south of you. Something for others to consider, that have not accomplished the work, is at this site;

Comparing Prodex to Reflectix, Tekfoil, Eco foil, Tempshield, etc

A 48in X 100ft of Reflectix costs $1.54 LF, a 48in X 175ft roll of Prodex costs $1.35LF. I believe the Prodex has a much higher R-factor which would be more efficient. I am still researching and comparing.
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Old 03-07-2013, 08:19 PM   #12
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oops..north and west

Actually I should learn to read...Columbia MO not Columbia MD. We get your weather 24 hours later. Your solution should work very well in the sweltering summer since it reflects whatever hits it. Windshield is such a solar lens in the summer, reflecting the outside heat should make the AC unit, oh so more efficient!
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Old 03-08-2013, 05:36 PM   #13
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Thanks! And good link - that Prodex stuff looks cool! I really had my doubts about 4 season camping. I had just about given up and figured we'd either just have the furnace kick on every 10 minutes and still sleep in long johns and stocking caps.

We didn't even do every window - just the Master, all the vents and that front cab valence. It. Was. Dramatic.

Just those couple low-tech mods and boom - sleepin' nekkid in the camper in 20 degrees!

I'm positive it'll work in the summer with similar results. Best $50 I ever spent on our MH.
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Old 05-23-2013, 11:26 PM   #14
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Old thread I know, but I just put Reflectix in the windshield of my Berkshire.

Not only does it make a incredible difference in keeping cool, but a 4x8 foot piece fits exactly in the windshield with only a tiny amount of trimming in the lower corners.

I highly recommend it.

Boowho??
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Old 10-11-2013, 03:13 PM   #15
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Just a note on this old thread. It's an awesome thread, kudos to the OP.

However, the Prodex website has pants on fire. Think about it: Why would massive quantities of insulation be placed in the walls and outside the walls of energy efficient homes, if you could get R-16 out of a thin sheet? Why are people building double-stud wall houses if you could stack up a few pieces of this stuff and get R-64?

These reflective barriers are good as air barriers (the reason they are so effective in windows), and incredible as radiant barriers in the summer. They are crappy insulators, though, and the companies who make these products need to quit lying.

If you came across this thread wanting to insulate, go read Green Building Advisor, and the Building Science articles. It will change how you see the envelope of your space.

I hate to bump an old thread, but it's showing on a lot of searches, including google page 1 searches.

I personally prefer Reflectix, and you can get it at Home Depot.
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Old 10-15-2013, 10:53 AM   #16
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thanks woozy - i love the reflectix too.

I looked up the greenbuildingadvisor.com, but can't find the articles you mentioned. Got a link?
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