Deciding on Airstream Insulation? – Vintage Airstream Argosy Renovation

Airstream Insulation is a highly debated topic among the airstream forums. Theres spray foam, reflectix, mineral wool, fiberglass, recycled denim, foam board and more. There are so many options and differing opinions.

thermasheath-foam-board-insulation-787264-64_1000We researched, debated and changed our minds. We have finally decided on two layers of polyisocyanurate  (PIC) rigid foam board. It’s water resistant and has a R value of 6 per one inch of thickness. We have a 1.5″ gap in the wall for insulation so we’re going to layer a 1″ and .5″ foam board for a combined R value of 9. Thats the highest we could get out of any of the products.

rockwool-mineral-wool-insulation-rxcb351525-64_1000

Roxul was a close second option and we still may need to use it for the endcaps. Mineral wool is great because its very heat resistant, doesn’t grow mold, and is pest resistant. If we split a batt to the thickness we need we would get about an R value of 6.

We decided against the popular spray foam insulation for a couple of reasons. To be done correctly, it should be applied by a professional and its very expensive. We don’t want our wiring to be difficult to get to. We’re wiring the whole trailer ourselves and trying to anticipate all our electrical needs and additions, but if we need to access it in the future we would prefer not to destroy our insulation to get to it.

Another factor that influenced our Airstream insulation decision, is that we’re waiting on all our wiring to arrive. We can go ahead and get the insulation done while we wait and we can easily run the wiring over the top of the foam board. We’ll be one step closer to putting the walls back up!

This is all in theory for now, the giant foam boards are waiting to be measured and cut. We will score them with a utility knife to follow the curves and then seal the seams with foil tape. The last step will be applying double sided tape and foam sill seal (polystyrene roll) to cover all the ribs. I’ve read a couple folks have done this and it seems like a great way to help prevent the ribs from conducting cold and heat from the outer skins to the inner skins.

We’ll update with photos and let you all know if we run into any issues as we begin the insulation process, so make sure to follow our blog to receive updates!

 

Here are some of the blogs, groups and resources that helped us when researching Airstream insulation –

Air Forums

Airstream Addicts

Airstream Argosy Owners

Beahmstream

The Greatleys

 



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Airstream Renovation: Subfloor, Frame & Shell Removal

Our vintage Airstream renovation began in March 2018. The task at hand: completely renovate a 24 foot, 1979 Airstream Argosy to be used for full time RV travels.

When we purchased this Airstream, it was already demo’d (this is a good thing) and had no subfloor (this is a blessing & curse).

In this blog post we’ll show you PHASE ONE of the project. This first phase includes rebuilding the frame, installing new axels with lift, and building a completely new subfloor.

If you want to follow our renovation in real-time, head over to our YouTube channel and smash that subscribe button! Here’s a chronological playlist of all the renovation videos:

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We quickly realized the first step forward would actually be a step backwards. In order to properly install our new subfloor and fix the “c” channels we had to preform the “full monty.”

In case you don’t know – the full monty is an Airstream renovation term that means removing the aluminum shell from the frame (we’ll get into this in just a bit).

Back to the demo: Here’s a video of us unriveting the walls & the underbelly.

It was SUPER important to have two things for this project – an awesome drill and high quality drill bits.

We used a cheap drill at first and the jobs took twice as long.

Airstream Renovation Demolition

Time to get the full monty underway! From our research, there are two ways to preform the shell removal: build an inner frame and jack the shell up or build a large pulley system and lift the shell off.

We decided to go with the first option. Fortunately, we had our friends, Mortons on the Move, to help us with this step.

Constructing an inner wooden frame is VERY important. This will prevent the aluminum shell from warping and bending out of shape. It also gives us a good structure to stabilize the frame once lifted.

Airstream Renovation Shell Removal

The day after we built the wooden structure, we carefully and slowly jacked the shell off the frame. Once the frame was lifted, we positioned 4×4 beams on cinder block columns to keep the shell in position.

For the project, the high quality drill came in handy. Also, lots of heavy duty jacks and jack stands!

You can watch the process below:

Pulling the frame out from underneath the shell was eye opening! We spotted a few areas of rust that concerned us.

But, to get a full scope of potential rust damage, we decided to get the entire frame sandblasted.

Airstream Renovation sand blasting

After sandblasting, we rebuilt areas that had too much rust and we reinforced other spots just for good measure.

My favorite upgrade during this phase was adding a 3in lift! This lift gives us a lot more clearance when going off-road. In addition to the lift, we installed new Dexter axles from Inland RV. This also added a half inch of lift.

Next up, we coated the frame with rust encapsulator from Eastwood Co. The biggest tip we have for this job…buy a spray can comfort grip trigger.

To finish the frame overhaul we put some new shoes on the ol’ girl! We bought these from eTrailer.

This was the most daunting process so far…mostly because we had no template to start from. We had to use the inside shell to get an approximate measurement and EVERY time we took the measurements the numbers came back different . Albeit, the differences were all within 1/2 an inch.

We also had to trace the curves and hope it was correct.

All of this may seem easy and like a no-brainer solution, but let me tell you, the aluminum at the bottom of the shell was anything but perfect. The aluminum had about half an inch of natural flex and was wavy due to riveting (none of this will be noticeable once the renovation is complete, but it made the template far from perfect).

Once we got the measurements and cut the subfloor pieces, we also cut reflectix insulation to adhere to the bottom of the subfloor plywood.

To reattach the shell to the frame we basically preformed the “lift off” in reverse. I suggest watching the video above for all the deets.

Now that we completed the full monty, we’re beginning the wiring and plumbing systems.

Olivia has also began taping-off different floor plans to get a better idea of the space.

Airstream Renovation layout

Watch our step by step Airstream Renovation playlist for a complete understanding of our process!

Airstream Renovation YouTube Video Playlist

One of our other passions is finding the most amazing campsites. We love boondocking and camping at RV Resorts.

If you want to find the most epic free campsites in American, check out this article.  If you’re more into the luxury campground style, we can’t blame you! Fear not – we have you covered.

Here you can find our TOP 10 RV Resorts of 2017!

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