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Boat Forum / Building / December 2005Marine board finshing
I'm not a boater but I am a woodworker and was wondering if anyone can tell me about this "starboard" or marine grade plastic sheet. I've never used it before. I'd like to know how well the edges can be finished on the material, with a sander, buffer, jointer? or? I can finish acrylic edges fine but have yet to meet a plastic that will give a good finished edge......but I had someone suggest this Starboard stuff. (would like 3/8" thick or 1/4") Thanks. >I'm not a boater but I am a woodworker and was wondering if anyone can tell >me about this "starboard" or marine grade plastic sheet. [quoted text clipped - 9 lines] > >Thanks. It's very similar to those white plastic cutting boards. It is not easy to bond it to anything, including itself. It needs mechanical fastening. It is very easy to work, using standard woodworking tools and techniques for the most part. The maufacturer has information on using it. http://www.tacomarine.com/support/Starboard/handling_starboard.htm Commodore Joe Redcloud > I'm not a boater but I am a woodworker and was wondering if anyone can > tell me about this "starboard" or marine grade plastic sheet. [quoted text clipped - 9 lines] > > Thanks. I never worked with it but here are some good links on cutting and finishing starboard: http://www.tacomarine.com/support/Starboard/handling_starboard.htm http://www.wps.on.ca/plastic4boats/starboard.pdf >I'd like to know how well the edges can be finished on the material, with a >sander, buffer, jointer? or? > >I can finish acrylic edges fine but have yet to meet a plastic that will >give a good finished edge......but I had someone suggest this Starboard >stuff. (would like 3/8" thick or 1/4") ====================================================== You should be able to finish the edge by wet sanding with progressively finer grits starting around 320 and ending up at 1500 or 2000. Follow up with a quick buffing using a good polishing compound and it should be mirror smooth. >I'm not a boater but I am a woodworker and was wondering if anyone can tell >me about this "starboard" or marine grade plastic sheet. [quoted text clipped - 7 lines] >give a good finished edge......but I had someone suggest this Starboard >stuff. (would like 3/8" thick or 1/4") It you use a high speed router, it will take a surprising well finished edge. On things that I've made with it, the edges have always been smooth and when using a hollow ground blade, fairly joinable. The main problem is getting edges to stick together if you are joining, but if you use a good grade epoxy and mechanical clamps, it will set up very nicely. You can get a fairly good finish using the technique that Wayne described. >>I'm not a boater but I am a woodworker and was wondering if anyone can >>tell [quoted text clipped - 21 lines] > You can get a fairly good finish using the technique that Wayne > described. Did you find you had to slow down the router to keep the plastic from melting? >Did you find you had to slow down the router to keep the plastic from >melting? ==================== The plastic melts when the cutting bit gets too hot. Slowing down too much can actually make the problem worse. Nice sharp carbide bits are the best defense, using nice beefy bits with a 1/2 inch shank helps also. >>Did you find you had to slow down the router to keep the plastic from >>melting? [quoted text clipped - 5 lines] > the best defense, using nice beefy bits with a 1/2 inch shank helps > also. we used to machine delrin parts in a shallow tub of water to prevent melting. It kept the mill cool enough to allow decent feed rates. Perhaps a mist of water (or even soapy water to keep the surface wet) to keep things cool along with high cutter speeds and low feed rates?  Signature"A prudent man foresees the difficulties ahead and prepares for them; the simpleton goes blindly on and suffers the consequences." - Proverbs 22:3 >>>Did you find you had to slow down the router to keep the plastic from >>>melting? [quoted text clipped - 11 lines] >Perhaps a mist of water (or even soapy water to keep the surface wet) to >keep things cool along with high cutter speeds and low feed rates? Oh, that's a good idea. Starboard is a brand of polyethylene sheet sold for boat trim uses. It is easily cut and shaped with saws, planes and routers but doesn't sand well. It weathers very well but is heavy and does not have good stiffness or strength for its weight. Being polyehylene (think milk jugs) it does not hold a finish and can only be glued using specialized and pricey adhesives. > I'm not a boater but I am a woodworker and was wondering if anyone can tell > me about this "starboard" or marine grade plastic sheet. [quoted text clipped - 9 lines] > > Thanks. |
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