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You are here: Home / RV Decor / Insulating RV Walls with Faux “Wood Plank” Adhesive Panels
Insulating RV Walls with Faux “Wood Plank” Adhesive Panels

Insulating RV Walls with Faux “Wood Plank” Adhesive Panels

January 16, 2019 by Ashley Mann 47 Comments

This post may contain affiliate links.

Decorative foam "faux shiplap" wall panels used to insulate RV closet

Campers and motorhomes are notorious for having thin walls without much insulation.  This of course makes them lighter weight, but also means it's hard to keep them warm in cold weather.  Even if you have a four season RV for winter camping or full time living in extreme cold, you may find that some of your walls are better insulated than others, and cold walls can cause condensation to form, which can lead to mold or mildew.

We've been fortunate not to have had any serious problems with condensation during the three winters we've spent so far in our Keystone Everest fifth wheel, but there is one place that gets colder than the rest of the RV, and that's our bedroom closet.

Last year I taped some Reflectix to the back wall of the closet to try to help hold in some of the heat, but I've since heard people who battle condensation in their RV's say condensation can become trapped behind the Reflectix, so I decided that wasn't a method I wanted to recommend.

Then a few months ago, one of my subscribers told me about a way she increased the insulation in her RV closet.  I loved the idea and decided to try it myself, and that's what I'm sharing in this blog post.

Video of the Project

Here's a video overview of the project:

What I Used for Insulating My RV Walls

The key to this project is an adhesive decorative wall covering from a company called Arthome.  In fact, this project has a double bonus: not only can it potentially slow down heat loss through the walls of an RV, but you could use it to give your RV walls a style makeover as well.  As far as I know, this product is only available for purchase online at Amazon.com.

Update 5/2/2022: The brand I originally purchased is no longer available on Amazon, but this product appears to be the same thing, and comes in lots of different colors!

The adhesive panels are made of soft PE foam about 1/4″ thick covered in plastic.  They come in several styles, including gray or brown faux wood planks (sometimes called “shiplap”) or white faux brick.

Faux brick foam wall covering perfect for RV makeover
Faux wood plank foam wall covering perfect for RV makeover
Faux wood plank foam wall covering perfect for RV makeover

The foam creates a 3-D textured effect that looks very realistic, and in fact, I've seriously considered buying more to create an accent wall in my RV.  I think this stuff would look especially good on the headboard area of an RV, in a small bathroom, or lining the walls of a slide-out.

If you're looking for way to create the look of a brick or shiplap wall in your RV but want something that looks a little more realistic than wallpaper, I definitely recommend this product.  However, I wouldn't use it near a stove cooktop since it's made of plastic and could melt (check out this post for kitchen backsplash ideas) I also wouldn't count on being able to remove it later, as the adhesive is very strong.

Because the panels have a plastic coating, they would be easy to wipe clean, and according to the product listing, they are resistant to moisture.  Because the adhesive is so strong, I'm not worried about condensation getting underneath.

Description of the Adhesive Foam “Shiplap” Wall Panels

Here is what the product looked like out of the package:

Adhesive foam wall panels (faux wood plank or shiplap) used to add insulation to my RV walls

In this close-up photo you can get a better idea of the thickness and the type of material:

Adhesive foam wall panels (faux wood plank or shiplap) used for insulating the walls of my RV

The panels have a paper backing you peel off to expose the adhesive.

Adhesive foam wall panels (faux wood plank or shiplap) used to add insulation to my RV walls

Measuring and Cutting the Panels

The first step was to measure and cut the panels to the correct size.  “Measure twice and cut once,” as they say!

Adhesive foam wall panels (faux wood plank or shiplap) used for insulating my RV closet

I started out using an X-acto knife over a cutting board to cut the material, but later I started using a pair of sharp scissors and those worked well too.  I think I would recommend using a box cutter / utility knife for long, straight cuts, and scissors for trickier parts with angles and curves.

Adhesive foam wall panels (faux wood plank or shiplap) used to cut down heat loss in my RV closet

Another Close Up View

Here is what the cut edge of the panels looks like, so you can see the type of squishy foam they're made of:

Adhesive foam wall panels (faux wood plank or shiplap) used to help my RV stay warmer in cold weather

Prepping the RV Closet Walls Before Installation

Following the product instructions, I cleaned the walls of my closet.  I just used a microfiber cloth damp with water to remove any dust particles since the walls of my closet weren't really dirty.

Cleaning RV closet walls to prepare for installation of fake shiplap wall panels

Installing the Adhesive Panels

Then I got started sticking it to the walls.  I decided to run the “planks” horizontally so that the foam would easily bend with the curve of the wall.  I like this look better anyway.  Even though the adhesive is very sticky, I was able to carefully pull the panels away and reposition them if needed.  However, I ended up wasting an entire panel when it accidentally became stuck to itself and trying to pull it apart caused it to tear, so be careful not to let that happen!

Using faux shiplap foam wall panels for adding insulation to RV closet

After I installed the first one, I learned with the second one that it was better to start at the top and leave the extra inch or so of space at the bottom next to the floor instead of starting at the bottom and working up to the top, so that way the narrow strip I cut to fit in the gap would be less noticeable.

Insulating RV closet with adhesive foam panels

Tricky Parts of the Installation

I had to cut a narrow vertical strip for the 6 inches or so in the middle of the back of the closet that wouldn't look so great on a large wall, but since literally no one will ever see it, I decided to do it the easy way rather than to try cutting the panels so that the lengths of the planks appeared to be staggered, which is what I would do for joining the panels some place more visible.

Foam panels used as insulation in RV closet
I forgot to take a picture of this area until after I put the clothes back.

The hardest parts were the walls with a curved edge and going around the closet pole (which I was too lazy to remove and put back later).  But since the material bends, I was able to position it with the backing still on, squish it into place, and cut along the curve.  I probably would have been a little more careful to measure instead of it doing it this way had it been somewhere more visible than the back corner of my closet.

Adhesive shiplap wood plank wall covering for RV walls

Going Around Tight Areas

Because the foam is sort of squishy, it's very forgiving of mistakes.  You can squish a small piece in to patch a gap and it expands to fill the space so that it hardly shows, which is what I did so that the panel could slide in over the closet pole.

Below is an up-close look at the 3-D wood grain texture of the product.  To me it looks very realistic and I love the color (SUCH a big improvement over the beige wallpaper, which I had always regretted not painting when we painted the walls in the rest of our RV.

Faux shiplap wood plank wall made of adhesive foam panels in RV closet

The Completed Project

Here it is finished!  The whole project only took me a few hours, even with stopping to take pictures.  And in case you're wondering, I ended up using about 8 1/2 panels, which was two packs of 5 panels each.  I would've had a full panel leftover had I not accidentally ruined it, and I still had enough partial pieces left that I plan to use them to line the inside of my bathroom medicine cabinet.

Faux shiplap wood plank wall made of adhesive foam panels in RV closet

Here's how it looks with my clothes put back in, which I took the opportunity to sort and organize. 🙂  (I talk more about RV closet organization ideas in this blog post.)

Faux shiplap wood plank wall made of adhesive foam panels in RV closet

Final Thoughts

So do the foam panels actually keep my closet warmer?  I can't really say definitively because I wasn't able to measure before and after and I didn't have any problems with condensation I was trying to solve, but it's 33 degrees outside right now and the walls don't feel cold to the touch, and maybe it's my imagination but I think it feels less drafty as well.  But I am so happy with the way this DIY project turned out just based on looks alone that for me it was worth it regardless!

For more ideas to help you prepare your RV for cold weather, check out my Cold Weather RV Resource Page.

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Ashley Mann in front of window
Ashley Mann

Ashley Mann lives in a 38-foot, 5th-wheel RV with her husband and their cat, Professor Theodore. She enjoys the challenge of finding the perfect way to organize a space, and she loves seeing all the creative and clever ways people come up with to customize their RVs.

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Filed Under: Cold Weather RVing, RV Decor, RV Life, RV Modifications Tagged With: RV life, Winter

Reader Interactions

Comments

  1. Billy Pope says

    July 26, 2021 at 12:20 pm

    I had a leak and now I need to replace the inside and outside walls on the back of my camper plus the front corner of my camper

    Where can I purchase these items

    Reply
    • Ashley Mann says

      July 27, 2021 at 10:42 pm

      Hi, are you asking where to purchase the materials the walls are made from? I would need to know more about each specific type of materials, but I would suggest asking an RV repair shop to help recommend a source for materials, even if you end up doing the repairs yourself, as they’ll be able to tell you where to buy the materials you need.

      Reply
  2. Dan Harris says

    October 8, 2021 at 10:49 pm

    Ashley,

    I am thinking about doing our 5th wheel bedroom and slideout closets. Since your installation in 2019, are you still happy with this modification? Any condensation issues?

    Reply
    • Ashley Mann says

      October 20, 2021 at 11:17 am

      We no longer own that RV, but we never had any issues with it during the time we owned it. We never experienced condensation issues in our closet even before adding this extra insulation, so I can’t say for sure how it would do, but I feel that the only way condensation would get behind this material would be if there was moisture inside the walls, in which case you’d have an even bigger problem.

      Reply
  3. Angela says

    October 12, 2021 at 10:46 am

    wow, very cool! the master bedroom in my 2017 Crossroads Zinger 33SB is ridiculously hot in the summer time. I’ve been trying to figure out a way to insulate without ripping the walls down. I am going to give this a try.

    Reply
    • Dietlinde says

      May 18, 2022 at 6:15 pm

      Hi! Question, did it help with the heat? I’m going to b moving into a trailer in Yuma, AZ and ridiculously hot is an understatement here, so I’ve been trying to come up with ideas, and was thinking this might be the way to go as well. I’m curious if it seemed to work for you?

      Reply
  4. Alice says

    March 21, 2022 at 7:20 am

    Ashley
    I cannot find the product that you installed. Both links have brick looks however I really like your shiplap look

    Any suggestions on how to find?

    Thanks
    Alice

    Reply
    • The RV Inspiration Team says

      March 21, 2022 at 10:41 am

      Hi Alice! You are so right, for some reason it has gotten harder to find the wood style. I had some luck with googling “pe foam faux wood panels”. Here is a link to a blue-ish one from Home Depot, but if you try that search hopefully you can find a variation you like!

      -The RV Inspiration Team

      Reply
  5. Lish says

    May 1, 2022 at 1:06 pm

    This product is kind of hard to find… took me a while, but I think this is the same thing!

    https://www.dhgate.com/product/3d-wallpaper-self-adhesive-wall-stickers/573570576.html

    Reply
    • Ashley Mann says

      May 3, 2022 at 12:57 pm

      I think you’re right! Thanks so much for finding that. I will add it to the post!

      Reply
  6. Sherry says

    October 7, 2022 at 8:37 am

    I see in the amazon reviews people say it tends to fall off in warmer temps when it expands. Did you have the camper in warmer temps and notice this happening?

    Reply
    • Ashley Mann says

      October 11, 2022 at 9:27 pm

      I had it in humid 100+ degree weather, with the air conditioner in my RV running. Never had it with temps above 75 or so inside the RV. Hope that helps!

      Reply
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