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Old 09-15-2016, 11:09 AM   #1
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Corrugated plastic sheeting

We've been tossing around the idea of using corrugated plastic as a outer skin of a trailer idea. I've done a little digging on the subject although not an extensive amount.
I do know it's pretty strong stuff and comes in several different types, the most common most of you are probably familiar with is the same stuff you often see political signs made from.
Here's one guys bicycle trailer made from recycled campaign signs.
Micro airstream bike camper - Creative Ideas | Elkins DIY

I could be wrong, but I'm guessing it can easily be beefed up with the right framing to be incorporated into a regular trailer or even possibly on a flatbed of a truck or van..
Any thoughts or suggestions?

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Old 09-15-2016, 11:19 AM   #2
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If you are talking about coroplast the stuff is not UV stable so it will rot in the sun-check with a local plastic supplier- they should know their stuff and save you some work

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Old 09-15-2016, 11:22 AM   #3
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It's fairly brittle, so not sure how the fasteners would hold up under the stresses of road travel. It's just nailed or screwed through the vinyl into a stud (the stuff you are talking about is corrugated PVC sheet siding, I think). Don't get it too close to a campfire either - the stuff melts at fairly low temps. The pvc siding on one of my garden sheds melted from a fire that was several feet away.
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Old 09-15-2016, 12:00 PM   #4
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The UV issue is one of the things I like best because it's cheap and very easily replaced. As far as fire goes, yeah...steer clear of that for sure. Then again I hear wood burns pretty easy as well.. I've never actually witnessed wood burning, but I assume it does.
Jokes aside, I'm thinking of an arched laminated plywood frame, maybe 2 layers of 1/2 inch stuff, maybe 3 1/4" layers for strength and because it would be really difficult and expensive to try to cut a big enough arch from a single sheet..
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Old 09-15-2016, 01:33 PM   #5
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You will be replacing it faster than you think. The sun is brutal on it and it will not hold up to wind loads once it has been exposed to sun. It gets no UV under your trailer so it stays fairly strong when used as underbody panels.
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Old 09-16-2016, 11:22 AM   #6
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For now this is more a thought experiment than anything.
Before I would even attempt to use corrugated plastic for this use I'd test it by putting it on some type of rounded or curved form and leave it outside in the weather for at least a year with various coatings. I asked the question about uv sustainability from the guy who made the bike trailer, but so far no response. There's also an idea floating around in my mind of using the corrugated stuff for the structure skin and adding some other thin skin over the top of it, the point being the structural strength of the corrugated stuff and the fact that it's very light weight..
For now nothing is actually being built except for some new doors I'm making for the class c out in the driveway. The old ones are particle board and look like crap..
I'll include some pictures of what I'm doing with those later after I have a few made in a different thread.

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