Exterior edge trim sources

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Exterior edge trim sources

Postby jamorgan3777 » Mon Sep 20, 2021 2:15 pm

I am deciding whether to just round the edge of where the roof meets the side wall or put a metal edging there. I am good with the straight pieces, but have a gradual arc section very similar to the hiker trailers design. Can any one give me a source for black aluminum edge that would make that sweeping arc? I am afraid the standard "1" or 3/4" leg pieces would buckle if I tried to bend them.

The finish is plywood, treated with "the mix" and then will have two coats of Durabak-18 Truck bed liner. I could just do a roundover on the edge and treat it similarly, but I like the idea of a metal edge there. Not really worried about the water proofing aspect as I believe the mix+tb liner will be good there, more for asthetics and edge protection.

Anyone have sources or similar situation?
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Re: Exterior edge trim sources

Postby KCStudly » Fri Oct 08, 2021 11:40 am

There are plenty of reported cases where unreinforced coatings over plywood have proven to fail in short order. Despite the integrity of the coatings, the wood moves and opens up. The coatings, even bed liner, just don't have the required tensile strength.

Solution: glass weave composite. Over wood, polyester or vinylester resins are fine. Over foam, use epoxy resin. Then coat with preferred UV protective final finish.
Last edited by KCStudly on Fri Oct 08, 2021 8:43 pm, edited 1 time in total.
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Re: Exterior edge trim sources

Postby QueticoBill » Fri Oct 08, 2021 5:39 pm

You want annealed aluminum trim, which I am told will bend. Search this board or wait and someone will speak up.
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Re: Exterior edge trim sources

Postby twisted lines » Sat Oct 09, 2021 8:20 am

Panther RV out of WA.
Has a good selection available online!
Racking up; And Rapin foam
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