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Author Topic:   Interlux Perfection Clear Polyurethane

phillips407 posted 10-18-2011 08:03 PM ET (US)
I'm about to clear coat the raw wood seats on a 13ft and have two quarts of Interlux "Perfection" 2-part clear polyurethane. I've never used this varnish before and would appreciate some advice---particularly, how soon can I add coats? Thanks
tjxtreme posted 10-18-2011 09:23 PM ET (US)
It depends on a number of variables, such as temperature.
It is on the order of a minimum of 6 hrs depending on the temperature.
See this link:
http://www.yachtpaint.com/usa/diy/products/productdatasheets. aspx?ProductID=3870
djacksonrn posted 10-19-2011 03:30 PM ET (US)
Agree, temp and humidity are the biggest variables here. I did some varnish work here in Charleston over the summer, first coats dried quick, perhaps 6 hrs, but subsequent coats took longer and longer to dry. In the end (coat 7) I was up to 48 hours between....
acseatsri posted 10-19-2011 06:23 PM ET (US)
I originally used that varnish on the mahogany on my Outrage. For the extra cost and PITA involved in mixing and using it, it peeled in 3 years. Ended up sanding it off and using Epifanes with a tint to it as the sun also bleached out the color in the wood.
You also should buy solvent-resistant foam brushes, as NOTHING seems to clean up bristle brushes after use.
PS- I have Perfection paint on the inside of my boat- 4 seasons and still looks good.
phillips407 posted 10-20-2011 02:38 PM ET (US)
Thanks for your responses. I have two thinned-down sealer coats on one board and a trim piece. Can I sand that and apply finish coats using epiphane or another more user friendly varnish--either one or 2-part?
phillips407 posted 10-26-2011 02:06 PM ET (US)
Thanks for the responses. For others who may have questions---I went ahead and used the Perfection clear 2-part poly and reduced by approx. 20% with 2333N (specified reducer) for first coat. After some experimenting, I found using a Quali-Tech "ROLLER FOAM" ultra smooth high density foam roller--measures 4"--from Home Depot, followed by light tipping with a good varnish brush gave a good finish. After drying overnight, I sanded the sealer coat with 220 grit and then applied full strength plus 10% reducer. As soon as that coat became "tacky"--about 1 1/2 hrs with temp. at 70F and humidity at 67%--I applied another coat and let it dry overnight. Next day after light sanding with 220 and then 400, I applied a finish coat. Looks great--hope it will hold up good. Boat will be kept in a boathouse, enclosed front and sides.
Again, thanks for your input.

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Author	Topic: Interlux Perfection Clear Polyurethane
phillips407	posted 10-18-2011 08:03 PM ET (US) I'm about to clear coat the raw wood seats on a 13ft and have two quarts of Interlux "Perfection" 2-part clear polyurethane. I've never used this varnish before and would appreciate some advice---particularly, how soon can I add coats? Thanks
tjxtreme	posted 10-18-2011 09:23 PM ET (US) It depends on a number of variables, such as temperature. It is on the order of a minimum of 6 hrs depending on the temperature. See this link: http://www.yachtpaint.com/usa/diy/products/productdatasheets. aspx?ProductID=3870
djacksonrn	posted 10-19-2011 03:30 PM ET (US) Agree, temp and humidity are the biggest variables here. I did some varnish work here in Charleston over the summer, first coats dried quick, perhaps 6 hrs, but subsequent coats took longer and longer to dry. In the end (coat 7) I was up to 48 hours between....
acseatsri	posted 10-19-2011 06:23 PM ET (US) I originally used that varnish on the mahogany on my Outrage. For the extra cost and PITA involved in mixing and using it, it peeled in 3 years. Ended up sanding it off and using Epifanes with a tint to it as the sun also bleached out the color in the wood. You also should buy solvent-resistant foam brushes, as NOTHING seems to clean up bristle brushes after use. PS- I have Perfection paint on the inside of my boat- 4 seasons and still looks good.
phillips407	posted 10-20-2011 02:38 PM ET (US) Thanks for your responses. I have two thinned-down sealer coats on one board and a trim piece. Can I sand that and apply finish coats using epiphane or another more user friendly varnish--either one or 2-part?
phillips407	posted 10-26-2011 02:06 PM ET (US) Thanks for the responses. For others who may have questions---I went ahead and used the Perfection clear 2-part poly and reduced by approx. 20% with 2333N (specified reducer) for first coat. After some experimenting, I found using a Quali-Tech "ROLLER FOAM" ultra smooth high density foam roller--measures 4"--from Home Depot, followed by light tipping with a good varnish brush gave a good finish. After drying overnight, I sanded the sealer coat with 220 grit and then applied full strength plus 10% reducer. As soon as that coat became "tacky"--about 1 1/2 hrs with temp. at 70F and humidity at 67%--I applied another coat and let it dry overnight. Next day after light sanding with 220 and then 400, I applied a finish coat. Looks great--hope it will hold up good. Boat will be kept in a boathouse, enclosed front and sides. Again, thanks for your input.