Brightside® Polyurethane Boat Paint, White, QT - Interlux
Price: $38.55
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Part # Y4359/QT
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Brightside® Polyurethane is a hard, high gloss one-part polyurethane topside finish. Excellent application characteristics yield that "sprayed on" look when brush applied in thin coats and is ideal for use anywhere above the true waterline. Brightside Polyurethane is easy to clean, resists staining and has great abrasion resistance.

  • Hard, high gloss one part polyurethane finish
  • With Fluro Microadditive for easy cleaning, resistance to staining and added abrasion resistance
  • Range of bright, crisp colors

Technical Specifications
Area: Above the waterline
Finish/Sheen: High Gloss
Substrates: Aluminum
Carbon Fibre
Suitable for Aluminum: Yes
Number of Coats: 2-3
Application Method: Airless Spray
Conventional Spray
Application Method Recommended
No. of Coats
Practical Coverage
(sq. ft/Gal)
Airless Spray 2-3 264 Y216
Brush 2-3 495 Y333
Conventional Spray 2-3 264 Y216
Roller 2-3 495 Y333
Two-Part Premium Paint Systems
These systems provide the maximum level of protection available.
Fiberglass Aluminium
Wood Steel
How Much Topside Paint Do I Need?
Determining how much paint you will need is fairly simple. To determine how much topside paint you will need, refer to the reference chart below.
How Much Topside Paint

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by Jack from Unionville, Indiana on April 26, 2016
This is great paint ! i got 2 coats on without waiting any longer than the first coat was really dry in a few hours, and it results in a very tough shiny water repellent finish ! The container however is terrible ! Why in the 21rst century we have to buy paint in these cans which are impossible to pour into even a tiny roller tray without creating a sloppy mess which obliterates the text on the can and has a lid which seals into a trough that inevitably gets paint in it so next time the can is opened the lid bends then never closes right again, i don't even want to talk about it.
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by Carl from Oakdale, Connecticut on April 22, 2016
great stuff!
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Whaler 13 Looks Like New!
by Michael from Fort Mill, South Carolina on March 01, 2015
I got great results - very smooth super high gloss finish - with the roller tipping technique. Easy to apply. It took three coats to completely hide dark primer and age cracks. I wet sanded with 220 between coats. The product is quite smelly for more than 24 hours while drying indoors. Allow for adequate ventilation. Worth the effort and cost. Next time I would spot prime the repaired areas and apply a first coat over just the primed areas to use less paint. I found an inexpensive nine inch "cabinet" roller at Lowes that got the paint on smooth and fast.
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