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Old 01-17-2016, 06:41 PM   #1
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National RV Owners Club
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Location: Chilliwack, B.C. Canada
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Reflectix under flooring

We are considering put new flooring (planking or linoleum ) through the MH and looking if anyone has put foil insulation under the product that they had installed.

We have one slide in the kitchen/living room and would like to increase the floor warmth without putting in electric floor heat.

Would be much obliged for what ever information can be supplied to make our unit warmer. We are fulltimers, wintering in the Southwest province of British Columbia, Canada.



Lyle 'n' Sherry 'n' Muffin ( Shih Tzu x) drive a 1999 National RV Tradewind 7370 with a 2005 Kia Sedona on an Automatic car dolly
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Old 01-17-2016, 07:01 PM   #2
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I doubt that foil has much insulating value, it does make a good vapor barrier.

First thing you need to determine is how much clearance you have under the slide. My slide sits above the floor but I barely was able to install 7 mm laminate flooring and have clearance under the slide.

I'm not sure what kind of chassis you have but you might consider looking at installing insulation in the basement between the chassis rails. Look at the front and back areas for insulation. My coach had a piece of rubber fastened the front and back but it was not weather tight. I bought a can of spray foam and sealed these areas as best I could.

Also look at your basement doors. I have insulated doors but they did a very poor job minimizing the gaps around the door locks.

I survived April & May in Northern Michigan, got down in the teens at night and not much above freezing during the day in April, got 24" of snow.

Jim J
2002 Monaco Windsor 38 PKD
2005 Jeep Grand Cherokee w/5.7 Hemi
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Old 01-17-2016, 09:30 PM   #3
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What makes reflectix perform is both the the foil reflecting heat and the bubble wrap creating an air gap. Walk on it and the bobbles will burst leaving just the foil and a lose of a good part of the insulating properties. Great idea but just won't work for what you are looking for.
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Old 01-18-2016, 12:00 PM   #4
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Spartan Chassis
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Location: Apple Valley CA
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There is a foil backed rubber underlayment for floating wood laminate flooring. Don't know how much R value it has but I used it in my house and my floors sound solid not hollow. It's not cheap and only sold by commercial flooring suppliers. The stuff in Home Depot and Lowes is not the same. I use that in my MH. It's OK but just OK.

Craig & Carolyn Roberts Apple Valley, CA
2006 Newmar 3910 KSDP 400 ISL Cummins Spartan Mountian Master Chassis
Toad: 2017 GMC Canyon 4X4 Crewcab
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