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coyote wrote:I need to be told where I failed on this. I watched the 2nd video a couple years ago, bought fiberglass screen roll, Gripper paint and blue insulation board from big box store. Made 2- 2'X4' pieces. During warm weather, I cut blue board, cut screen, rolled Gripper paint on the board, laid screen over it, pressed in place, rolled Gripper over it, allowed drying time, repainted with roller. During the I was building (2 years plus/minus a bit) it delaminated. I have 2 pieces of white screen and 1 foam board, in each case. I tried to "etch" (rough sand) the surface of the blue board and try again....I think it sounds great, and I have updates I would use this on if I could make it work. Seemed too well done, to be a hoax (and why?) and seems other peeps have done this. Does anyone have suggestions/ideas to help me correct? Thanks, Coyote
Andrew Herrick wrote:Interesting ideas here! I've seen foam-laminate cabinetry used in boat building before.
I've tried a somewhat similar technique: vacuum pressing 1/8-inch BB plywood skins atop a 3/4-inch 25psi foam core with a hardwood rail-and-stile perimeter. Worked fine, but it was a lot of work.
linuxmanxxx wrote:Andrew Herrick wrote:Interesting ideas here! I've seen foam-laminate cabinetry used in boat building before.
I've tried a somewhat similar technique: vacuum pressing 1/8-inch BB plywood skins atop a 3/4-inch 25psi foam core with a hardwood rail-and-stile perimeter. Worked fine, but it was a lot of work.
You can save a lot of that trouble if you use 3M's water based contact cement total glue-up of the skins and would save time and trouble not having to do vacuum pressing. It's no voc and so easy to use and quite good. It was made a gazillion years ago to laminate formica countertops and is pricey but works so very good. I think it's 30nf the number meaning formula 30 non flammable.
linuxmanxxx wrote:Where do you source your 30NF from? In podunk Texas it's not on any shelves pretty much. I've got a bug up my butt to try the water based spray plastic soon and see what I come up with finish wise. I've used FRP and aluminum both and like the aluminum finish but its weight and very scratch prone as I'm sure you've found out building all you've built.
linuxmanxxx wrote:Urethane bedliner that would be smooth and rubbery right? What brand are you using as that sounds intriguing and how much coverage do you get?
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