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Old 02-16-2016, 02:59 PM   #1
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Insulation?

What is the R factor for the XLR trailers? We have a hyper lite hfs 29. It cannot be very much, we went camping last weekend and the interior walls sweat behind the dinette cushions, just about anywhere something was against the exterior wall. The furnace worked well as it held the middle and front half of trailer to 65 degrees. It was as low as 30 overnight.
Also, many of you have mentioned mods that included insulating the floor with foam board and insulating pipes under the trailer. Has it made that big of a difference in the cold or hot weather? That seems like a lot of work, especially having to deal with the corrugated plastic sheets. I would want to get that back in place perfectly so mice don't think it's an invite. How long did to take?
John


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Old 02-16-2016, 03:30 PM   #2
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About any RV will have a bit of "sweating" during cold weather camping if proper ventilation isn't used. There's just so much R factor any manufacturer can get in a 2" thick wall ... 7-9 at best. Ceiling and floors can have much more R value 25 - 35 advertised ... actual ... anybody's guess ????. If you have slides ... seldom are they completely air tight. Crack a ceiling vent and buy a small dehumidifier. Dual pane glass, foil insulation in windows, and skirt it if you do alot of winter camping. If you've ever looked up above the corrugated plastic belly pan, you'll see foam board would be challenging, Wires, hyd lines, tanks, slide mechanisms, water lines, drain lines every which way.
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Old 02-16-2016, 03:54 PM   #3
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One thing I've found when you camp and its cold bring a dehumidifier that is big enough to do the job but small enough not to take up too much room. The furnace creates condensation and also the stove and people. Most say crack a window but I've never found it to be enough. Electric space heaters don't create condensation and using them instead of the furnace will cut down on condensation too.
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Old 02-16-2016, 06:19 PM   #4
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I've got a spreadsheet showing what's under floor on 29HFS. I probably spent 4 days insulating and running wires. The coroplast is one piece. I cut it in half at a floor "joist". R values are funny and exaggerated. I bet the ceiling is about R11 walls maybe R5 to R6 ... Floor is zip. Condensation is because walls are cold and your heating the air. People breathing ... the more the more the problem. If you use the stove, cover the pot and use the range hood vent / fan. Like said crack a window to get rid of some if the moisture.

I would insulate the floor by sandwiching 2" blue board between coroplast and frame... running side to side / frame to frame. Then staple 1" foil backed duct insulation to the areas between sides and frame. Staple the same to garage floor. It makes a difference.
WW
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Old 02-16-2016, 08:47 PM   #5
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I've got a spreadsheet showing what's under floor on 29HFS. I probably spent 4 days insulating and running wires. The coroplast is one piece. I cut it in half at a floor "joist". R values are funny and exaggerated. I bet the ceiling is about R11 walls maybe R5 to R6 ... Floor is zip. Condensation is because walls are cold and your heating the air. People breathing ... the more the more the problem. If you use the stove, cover the pot and use the range hood vent / fan. Like said crack a window to get rid of some if the moisture.

I would insulate the floor by sandwiching 2" blue board between coroplast and frame... running side to side / frame to frame. Then staple 1" foil backed duct insulation to the areas between sides and frame. Staple the same to garage floor. It makes a difference.
WW
WW, would you be willing to share your spreadsheet? If so, that would be absolutely wonderful and I can send you a PM with my email.
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Old 02-17-2016, 01:06 AM   #6
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If you look under "what did you do to your HyperLight Today" topic started by WW you'll be busy till next summer 😀 if you didn't order the winter package with dual Payne windows then your kinda stuck with sweating - defiantly get a second space heater and turn the gas one almost off two little 1500 watt ones - 1 living room other garage will help out and don't do as I do and have a bunch of very wet wetsuits and kite gear drying in garage and you'll be fine 😳😳


Get out and Play Harder😛

2016 XLR Hyper Lite 29hsf - loaded picked up 3-24-2015😊
2002 Chevy 1/2 ton Quadrasteer
2008 Can Am Spyder
Kite Boarding is my Addiction - GOT WIND!
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Old 02-17-2016, 09:51 AM   #7
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WW, would you be willing to share your spreadsheet? If so, that would be absolutely wonderful and I can send you a PM with my email.
CB, yes, PM me. I have it on a .docx and .xls; let me know which or both. PH, is right about my thread, although most mods are inexpensive, my favorite kind.

I'll throw in a .xls weight calculator, for the same easy money

Wait til I do the electric over hydraulic brakes and off grid solar mods. Oh, and a second AC.
WW
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Old 02-17-2016, 07:25 PM   #8
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CB, yes, PM me. I have it on a .docx and .xls; let me know which or both. PH, is right about my thread, although most mods are inexpensive, my favorite kind.

I'll throw in a .xls weight calculator, for the same easy money

Wait til I do the electric over hydraulic brakes and off grid solar mods. Oh, and a second AC.
WW
WW, PM sent - thanks so very much!
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