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02-28-2018, 08:20 AM
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#1
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Junior Member
Name: Rex
Trailer: 1977 13' Scamp
Texas
Posts: 9
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Reflectix... how much to do interior?
Going to be refurbishing/restoring my '77 13' scamp.
How many feet of a 4' roll of reflectix is needed to insulate the interior?
I'm going to be ordering from online so will help if I can get close to right amount.
Thanks for help!
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02-28-2018, 08:32 AM
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#2
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Senior Member
Name: bob
Trailer: Was A-Liner now 13f Scamp
Missouri
Posts: 3,209
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I would check at the box stores then you can return some things I haven't found that much difference in price!
bob
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02-28-2018, 08:59 AM
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#3
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Senior Member
Name: Jon
Trailer: 2008 Scamp 13 S1
Arizona
Posts: 11,925
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Sides: 6x10x2=120 sf
Ends: 6x7x2=84 sf
Ceiling: 7x10=70 sf
120+84+70=274 sf
274/4=68.5 lf
Add 20% for wastage, about 82 linear feet. If, as I recall, it comes in 25' rolls, I'd order 3. If you come up short, you should be able to pick up extra at most big box home supply stores.
Thinking about how you might actually piece it together, I come up with the same result, about 75 lf. One long piece across the ceiling from front window to back window, 12'. Wrap around the bottom full circumference, about 35'. Two more 12' lengths to wrap the upper side wall onto the ceiling- the tricky part.
Hafta ask, though... What do you have on the walls now? Ensolite can almost always be salvaged, and it is a better insulator than Reflectix. You can paint it or cover it with headliner for a like-new appearance.
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02-28-2018, 09:08 AM
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#4
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Junior Member
Name: Rex
Trailer: 1977 13' Scamp
Texas
Posts: 9
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Quote:
Originally Posted by Jon in AZ
Hafta ask, though... What do you have on the walls now? Ensolite can almost always be salvaged, and it is a better insulator than Reflectix. You can paint it or cover it with headliner for a like-new appearance.
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I think it's Ensolite but it's coming apart and off the walls. The white vinyl layer seems to have separated from the rest of it in lots of areas. I haven't yanked it yet. I considered trying to work with it but it's pretty bad. Also very moldy.
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02-28-2018, 09:17 AM
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#5
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Senior Member
Name: Jon
Trailer: 2008 Scamp 13 S1
Arizona
Posts: 11,925
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Rex, appears you deleted a post, so I'm not sure this is helpful or not...
Your description of the Ensolite does sound pretty bad. Post some pictures and others more experienced might be able to tell you whether it's worth trying to salvage.
Best wishes! Hope you share photos and updates as you go.
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02-28-2018, 09:29 AM
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#6
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Junior Member
Name: Rex
Trailer: 1977 13' Scamp
Texas
Posts: 9
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Quote:
Originally Posted by Jon in AZ
Hafta ask, though... What do you have on the walls now? Ensolite can almost always be salvaged, and it is a better insulator than Reflectix. You can paint it or cover it with headliner for a like-new appearance.
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Not sure what happened let me try again. The vinyl layer has separated in most of it and is falling off. Plus lots of mold.
Here are some pics:
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02-28-2018, 09:45 AM
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#7
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Senior Member
Name: Greg
Trailer: 2008 Casita 17' SD
Washington
Posts: 1,997
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If you're looking to insulate the trailer, Reflectix has an "R Value" of about 1, (i.e. next to nothing,) making it a not-so-good insulator. Just me, but if I was going to go through all the headaches and trouble of installing insulation throughout, I'd want something that actually afforded me with a reasonable degree of insulating value. YMMV
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02-28-2018, 09:51 AM
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#8
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Senior Member
Name: bob
Trailer: Was A-Liner now 13f Scamp
Missouri
Posts: 3,209
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insulation
greg I had a 40ft eagle bus that had been converted the guy put 1/2in foam then naughahyde over that I don't think that was good either. there is just so little space in these eggs makes it sort of tough to really do a good job.
do you have an idea?
bob
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02-28-2018, 09:58 AM
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#9
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Senior Member
Name: Greg
Trailer: 2008 Casita 17' SD
Washington
Posts: 1,997
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Not really Bob. I just live with the factory installed "rat fur" carpeting that is glued on inside my trailer. It isn't much of an insulator either, but I'm not about to rip it out. When it comes right down to it, most fiberglass interior coverings offer little in the way of insulation, and are only there for two main reasons. One is to keep condensation from forming on the inside walls, and the other is to keep the sunlight from shining through the fiberglass if there wasn't anything covering it.
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02-28-2018, 10:08 AM
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#10
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Senior Member
Name: Alexander
Trailer: 1979 Boler B1300
New Hampshire
Posts: 1,140
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You can still get Ensolite without the vinyl facing. You could always put it down and then put "rat fur" on top. Here is a DuckDuckGo search for it:
https://duckduckgo.com/?q=ensolite+i...on&t=hf&ia=web
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02-28-2018, 10:16 AM
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#11
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Senior Member
Name: Tom
Trailer: Sprinter 'til I buy
Denver, CO
Posts: 944
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Casita Greg is correct. Reflectix is not the insulator people think it is. But it may or may not be better than nothing as a vapor barrier & minor insulator.
Now, in terms of reflecting heat coming in through glass, its foil surface makes it fairly good at that. Not certain, it may work even better on the outside of glass. But that's usually not practical, and would degrade it.
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02-28-2018, 10:28 AM
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#12
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Junior Member
Name: Rex
Trailer: 1977 13' Scamp
Texas
Posts: 9
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I added pics to my response which I guess has it waiting for moderator approval.
Anyway... I assume it's ensolite on the walls of my scamp. The vinyl layer has separated from it and is falling off in most of it. Also has lots of mold. I have not ripped it all out yet. It's a pretty big mess though. And I would like to get working on it in the next weeks.
Just trying to research and make best choice considering circumstances.
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02-28-2018, 01:17 PM
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#13
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Senior Member
Name: Ross
Trailer: Trillium 4500
Colorado
Posts: 213
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Rex, it’s a lot of work but if you are a handy man with patience it’s doable. Here are a couple of pics, I have just completed mine 1 month ago. You can also check my link for details.
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02-28-2018, 01:19 PM
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#14
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Senior Member
Name: Ross
Trailer: Trillium 4500
Colorado
Posts: 213
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02-28-2018, 03:07 PM
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#15
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Senior Member
Trailer: Trillium 2010
Posts: 5,185
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Quote:
Originally Posted by Seaross
Rex, it’s a lot of work but if you are a handy man with patience it’s doable. Here are a couple of pics, I have just completed mine 1 month ago. You can also check my link for details. Attachment 116311
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Very nice job!
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03-01-2018, 11:28 AM
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#16
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Junior Member
Name: Rex
Trailer: 1977 13' Scamp
Texas
Posts: 9
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Here are the pictures I posted yesterday.
Quote:
Originally Posted by rexrogers
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03-01-2018, 11:36 AM
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#17
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Senior Member
Name: Alexander
Trailer: 1979 Boler B1300
New Hampshire
Posts: 1,140
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Wow! It must smell horribly in there. I've only ever seen a "sticky" with the walls in that kind of condition.
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03-01-2018, 11:56 AM
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#18
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Senior Member
Name: Tom
Trailer: Sprinter 'til I buy
Denver, CO
Posts: 944
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I have a question, and I don't know the answer. It may depend on the particular installation. It seems to me you do not want to trap moisure near solid fiberglass walls, where it can't escape. Noting that Reflectix is R 1.04 in insulating value.
Reflectix R-value claims reasonable? | Fine Homebuilding | Breaktime
"Don't get bamboozled by advertising claims that discuss long-wave and short-range radiation. What you want is R-value; that's what stops heat flow. Contrary to the misleading claims of some reflective insulation manufacturers, R-value measurements account for all three types of heat transfer -- radiant, conductive, and convective. According to ASTM C518 testing, Reflectix has an R-value of 1.04. That's quite low. If you can successfully construct a wall assembly that includes a 3/4 air gap on one or both sides of the Reflectix, the R-value of the entire wall assembly (not the R-value of the Reflectix) will go up. The increase in R-value is due to the R-value of the air space or spaces. However, this higher R-value depends upon the long-term maintenance of the air space, and will be degraded if the Reflectix ever sags. Moreover, the effect of the shiny radiant surface will be degraded over time by dust. Bottom line: get yourself some rigid polyisocyanurate foam."
So, does the use of Reflectix, a pretty good moisture barrier, contribute to mold conditions, or does it help avoid moisture -mold problems? Why?
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03-01-2018, 12:09 PM
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#19
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Junior Member
Name: Rex
Trailer: 1977 13' Scamp
Texas
Posts: 9
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Quote:
Originally Posted by Alex Adams
Wow! It must smell horribly in there. I've only ever seen a "sticky" with the walls in that kind of condition.
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It was even worse. I've actually cleaned the walls that still have the vinyl skin and the cabinets some.
But you can see why I wanna just re-do the insulation and wall covering.
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03-01-2018, 01:26 PM
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#20
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Senior Member
Name: Dave W
Trailer: Trillium 4500 - 1976, 1978, 1979, 1300 - 1977, and a 1973
Alberta
Posts: 6,926
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OK, I am a save the Ensolite kind of guy, but that stuff has to go. It is not worth saving. A filter mask, and a very course wire brush / scraper on a drill and scrape it off. The foam will pack up on the brush if it is too fine, so something like this:
https://www.amazon.com/Stripper-Pain.../dp/B00JGX2CQC
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