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#1
posted to rec.boats.building
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glassing panels indoors
The plan, build a flat bottom river boat using plywood and covering it with
fiberglass and epoxy' The idea, cover one sheet of plywood at a time in my shop, leaving about 1 inch bare on each edge to screw the panels to the frames, then tape all the joints and seams after the boat is put togather. This way I can work thru the winter months, move out doors in the spring and put it all togeather. What do real builders think? |
#2
posted to rec.boats.building
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glassing panels indoors
On Tue, 25 Nov 2008 20:16:14 -0600, "clark"
wrote: The plan, build a flat bottom river boat using plywood and covering it with fiberglass and epoxy' The idea, cover one sheet of plywood at a time in my shop, leaving about 1 inch bare on each edge to screw the panels to the frames, then tape all the joints and seams after the boat is put togather. This way I can work thru the winter months, move out doors in the spring and put it all togeather. What do real builders think? Why leave the edges bare? In building dinghies I use a computer generated lofting program and cut the panels to shape; cover with epoxy and fiberglass; wash and assemble. I use epoxy to both cover the panels and to glue the panels together and then tape the seams. If you do it this way be sure to wash the panels to remove amine blush that could result in weakened glued joints if not removed. Cheers, Bruce (bruceinbangkokatgmaildotcom) |
#3
posted to rec.boats.building
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glassing panels indoors
Bruce in Bangkok wrote:
On Tue, 25 Nov 2008 20:16:14 -0600, "clark" wrote: The plan, build a flat bottom river boat using plywood and covering it with fiberglass and epoxy' The idea, cover one sheet of plywood at a time in my shop, leaving about 1 inch bare on each edge to screw the panels to the frames, then tape all the joints and seams after the boat is put togather. This way I can work thru the winter months, move out doors in the spring and put it all togeather. What do real builders think? Glass to the edge. The texture left by the glass with just one coat of epoxy (basically the weave of the cloth) - will provide enough profile to guard against 'epoxy starving the joint' when you assemble and glue together with epoxy. I would also suggest you 'seal' the raw plywood with solvent thinned epoxy (especially the edges) before you so the epoxy/fiberglass cloth thing. paul oman - progressive epoxy polymers inc |
#4
posted to rec.boats.building
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glassing panels indoors
On Wed, 26 Nov 2008 13:07:20 -0500, Paul Oman
wrote: Bruce in Bangkok wrote: On Tue, 25 Nov 2008 20:16:14 -0600, "clark" wrote: The plan, build a flat bottom river boat using plywood and covering it with fiberglass and epoxy' The idea, cover one sheet of plywood at a time in my shop, leaving about 1 inch bare on each edge to screw the panels to the frames, then tape all the joints and seams after the boat is put togather. This way I can work thru the winter months, move out doors in the spring and put it all togeather. What do real builders think? Glass to the edge. The texture left by the glass with just one coat of epoxy (basically the weave of the cloth) - will provide enough profile to guard against 'epoxy starving the joint' when you assemble and glue together with epoxy. I would also suggest you 'seal' the raw plywood with solvent thinned epoxy (especially the edges) before you so the epoxy/fiberglass cloth thing. paul oman - progressive epoxy polymers inc Paul, Could you advise on what "solvent" you suggest to thin epoxy? Or do you mean "thinned epoxy" from a supplier. I ask because I have tried most commonly available "thinners" such as acetone, alcohol, gasoline (?), epoxy paint thinner, etc. and they wern't particularly effective. Cheers, Bruce (bruceinbangkokatgmaildotcom) |
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