coroplast

[droid_ca]

I have been thinking of going light weight and was wondering what about using coroplast as my roofing material.. would it work? would it stay on at highway speeds? How would I go about attaching it?

[jonw]

I used it on parts of the interior of my TD but I wouldn't recommend it for the roof. I'd recommend using aluminum which has a great strength to weight ratio, especially compared to plywood.

Check out AlumaCorr for use on the side panels. It's basically Coroplast covered in very light aluminum on both sides, and is used for exterior signs. Strong and light, but not bendable.

Good luck!

[droid_ca]

I wonder if that AlumaCorr would work for the roofing material for a tiny house design. Just now have to find it in Canada

[Todah Tear]

I built a 95% coroplast tear (5 x9 with a 4' rear slide-out extension, 585lbs ) last spring . It is fine for the roof. I supported mine with stiff insulation sheets and spars; you can't stand on it, but it as as good as a canvas roof, but more rigid. I used sandwiched sheets for the sides of my tear. Here's the benefit of my experience. I have found that for the side application, you really need some sort of stiff/rigid framing for attachment. I built another with wooden sides and a coroplast roof (605lbs). The coroplast makes a big difference on weight. Notice how close the weights are between the two tears. The over size of the first was bigger, but I like wooden sides.

Todah