popper wrote:Have you guys seen FedEx or UPS delivery truck ceilings? They do an excellent job of letting natural sunlight in. Wondering if you did Swiss cheese plywood ceiling panels with white bed sheet titebond3 PMF and no paint how much sun will shine through. You could do a hundred small holes drilled with a hole saw or might be easier to cut out a couple of large center holes with clear plastic panels laid in. Should I be looking for a UV blocking clear exterior paint? Does standard glue even dry to a translucent finish or do I need to find a special one? Or just use extra coats of glue in place top paint layer.. Any experience or even educated speculation appreciated.
popper wrote:I have seen that article before. Makes me wonder how the holes get sealed up from the rain, but the story does make the point of 'why not use the sun for daytime interior lighting' if you can. Its a zero watts draw, and hopefully the sun won't burn out before the trailer's useful lifespan is over.
Titebond *3* is supposedly totally waterproof. At least the maker claims it is.
popper wrote:Would not be any holes at all in the fabric, just in the wood or foam layer. You would taking advantage of the fact that bedsheets and glue (or resin and fiberglass) allow some sunlight through.. I'm thinking find some thin clear plastic and sand it rough, then bond it into the roof to keep the fabric flat.
BTW love that pivoting roof..
DrewsBrews wrote:It is often still recommended to seal the wood underneath so I don't think pmf is technically waterproof by itself. It also isnt a self supporting structure like layered fiberglass can be if built up.
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