I'm considering wood, not aluminum for the exterior.
1. If I use a design that requires a seam across the side wall or top will a butt joint be OK with a frame member behind it for support?
2. Do I need to fill the seam with something?
3. Will I get a waterproof exterior with just epoxy (no glass) or one of the high end paints mentioned on the forum covering the seam?
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I'm not new to wood working. I can light a campfire on the first try.