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Old 02-14-2021, 12:22 PM   #11
Daryles
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Join Date: May 2019
Location: Alton
Posts: 2,654
M.O.C. #24086
This is a list of all the "air gaps" i have found (so far). You will need to close these up as much as possible.

Air gaps:
Look under your frame. There are lots of holes and gaps. This allows cold (or hot, summer time) air into your underbelly and can freeze your pipes.
Use gorilla tape to close off any small openings (hydraulic lines, slide cylinder).
Use aluminum sheeting and cut to fit around the hydraulic jacks. Leave the opening around the propane tanks. They must have ventilation.
Take down your basement walls, crawl in and close the doors. You will see daylight coming in through all the gaps along the frame.
I have a 3130re. There is a panel under the bottom shelf in the pantry. Behind the panel is the water heater. Again you can see daylight coming in around the edges. This requires fire retardant insulation around the water heater to block out the air gaps.
Under your kitchen island there is a panel covering your plumbing. Take it out and there is a big Triangle gap in the corner. Cut and fit styrofoam to fill the gap tight. Use gorilla tape to seal it in place.
Remove the drawers closest to the fridge. At the back where the propane and electric wiring come through to the oven, there is a gap in the wall by the fridge. Remember the back of the fridge is vented to the outside. Cold air comes in through this gap. Mine is an RV fridge so I have to be careful because on the other side of that wall is the chimney for the fridge heater. I have to use flame retardant insulation here.
Make sure your inside and outside slide seals are good.
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Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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