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Old 06-06-2011, 11:26 PM   #1
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Cool Foil-Foam-Foil at Lowes

I keep my 2005 National Dolphin in my yard, connected to a 50A circuit, but I want to minimize the effort/wear & tear on the RV's AC in the hot Georgia summers. A couple of weeks ago I was visiting my local Lowes Blue Box and saw that they carry 25footX48inch rolls of foil-foam-foil (FFF) insulation.

I gave them ~$40 and took a roll home.

I have used this stuff in my attic and in my workshop and it REALLY cuts out the infra-red rays which do most the the heat transfer damage to things setting out in the sun (such as my home and shop and RV).

I cut out sections that fit the windows in the RV's bed room and to wrap-around the cab-end windows and the FFF REALLY works to keep the temperature down in the RV just as it did in my shop and attic.

A serendipitous by-product is that the bed room is now a nice, cooler, darker place even when sunlight is bathing the windows and trying to fry anything on the bed.


J.J. Hayden (KN4SH)
Covington, GA
2005 National Dolphin 5342
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Old 06-07-2011, 02:30 AM   #2
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If you have double pane windows you do not want to put the insulation on the inside. It will ruin the window by creating so much heat in the glass that the seals will curl up and die. I recommend, if you are going to use it, to put it on the outside.

Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7
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Old 06-07-2011, 04:47 AM   #3
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Got idea from fellow camper this spring! Cut out to fit shower skylight and velcro to skylight in sower enclosure darkens and keeps cool or heat in! Also added cut outs to vents then put vent pillows in!
2002 Winnebago Journey DL 39QD
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foil-foam-foil, insulation

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