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Thread: Spray Foam on Frame Rails
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12-08-2018, 08:52 PM #1
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Spray Foam on Frame Rails
I ordered a 200 board foot spray foam kit and today I spray foamed the frame rails to help conserve propane in winter camping. Two weeks ago while staying at our daughters home in Belgrade, MT we were going through 4 gallons of propane a day and the furnace would hardly ever turn off with the thermostat set at 68 degrees. I have since purchased reflective bubble wrap for the windows and now I have spray foamed the frame. In my opinion, this should work better than skirting. The coroplast has a foil barrier and then two inches of fiberglass on top of that, but no insulation at all for the frame rails. That is one hell of a heat sink when the frame rails are in the teens, the heater has no chance of making that area below the floor very warm. Stay tuned and I will report how well this works.
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12-09-2018, 05:20 AM #2
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This may be a dumb question but did you spray the inside or outside of the rails? If you dropped the corollas did you check all the heating ducts? I like the foam idea and fixing the heating ducts will help a lot too. Maybe even replace the flexible duct work with something solid or a little better quality may help as well.
Brian
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12-09-2018, 07:53 AM #3
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If there was a way to post photos here I would do that. I sprayed the outside of the frame rails, and also the steel cap on the drop frame. I made sure to seal off as much of the gaps as possible around the slideout penetrations also. I might have to try sticking a probe into the belly to see if it holds some temperature now that it is fully insulated and sealed. I checked the outside temps of the frame rails before with the furnace running and they were only about 10 degrees over ambient temp.
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12-09-2018, 07:53 AM #4
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I have posted photos on facebook at the grand design solitude group.
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12-09-2018, 08:14 AM #5
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I believe when you post if you use the "go advanced" button you can attach pics. I think.....
Brian
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12-09-2018, 08:15 AM #6
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12-09-2018, 08:38 AM #7
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12-09-2018, 08:44 AM #8
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I have clicked on go advanced and I can't find anything that says manage attachments. More help please.
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12-09-2018, 08:59 AM #9
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12-09-2018, 09:01 AM #10
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Pete & Carla Nelson
2017 F-350, diesel, DRW, Lariat, 8' bed, Ford's TPMS, Furrion camera, Revolver X2 Tonneau Cover
2017 Solitude 384GK, with dual pane windows, slide toppers, gen ready, heat pump.
Added items: WiFiRanger EliteAC (external antenna), WiFiRanger GoAC (Router),
Trailer Saver BD3 w/underbed adapter, Cheapheat system, Fantastic fan (bathroom), 50 Amp Hughes Auto Former w/surge protection, 5th wheel skirting.
MoRryde independent suspension, 8k axle, disc breaks, Sailun S637 tires
Morryde Safe-T-rail install issues
Today, 12:55 AM in Mods and DIY