Advice for undertray panels?
I am looking to put up some panels under the car but I'm not quite sure what to use for materials. I'm thinking polycarbonate plastic or something light and strong. I also need a good way to fasten it to the car. I need something that I can remove when I change the oil and perform other kind of maintainence. Any suggestions?
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Materials:
Coroplast plastic paneling board stuff from Lowes/Home depot Fasteners: screws nylon push rivets from Lowes other types of trim fasteners Do a search on coroplast and on skirts you can see what others have done. Polycarbonate might work well but it seems a little stiff and a lot expensive. :-) It would be nice though... |
I'm thinking plywood for my car, if/when I ever get under there to do it.
They make 5.5 mm. and something like 2.7 mm. Lauan plywood. 1/4 inch is just over 6 mm., so you get the idea - this stuff is thin and lightweight. About $15 and $7 per sheet, respectively. I'm going on the theory that there's enough airflow to keep it dry. My plywood + plastic air dam was on for about 7 weeks and I saw no evidence of delamination. Ymmv of course. |
Where can you buy coroplast
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Best deal, after Election Day clean up some signs.
Or contact your local political parties, maybe some candidates have old signs that need removal from basements. Signmaking shops. I paid $30 for 4x8 feet. They cut that from something much bigger! Also some art framing shops. Or shop on line but you'll be shipping something pretty big. Just google "coroplast". |
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Recycling centers and city right-of-way cleanup crews have also been suggested as sources.
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wouldn't you want something stiff? I think the coroplast would be too flimsy. wouldn't it?
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what about clear sheets of acrylic? I found some at Orchard Supply Hardware.
I think coroplast is lighter but is it stiff enough? |
Why not aluminum sheet? It's sort of expensive, but I have some lying around from my grille blocking.
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Also keep in mind that you're fastening it to your under body - which will increase rigidity. |
Personally, I think that it is stiff enough for the loads I would expect. Of course, I'm biased, because I have coroplast all over under my car, and would not want to admit I'm an idiot...
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