Interlux Brightside Polyurethane is the most technically advanced one-part polyurethane available.

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 
  • A range of bright, crisp colors.

Brightside Polyurethane (Quart)