$22.98 at Lowe's $22.98 at Lowe's Solvent-based polyurethane formulations perform better outdoors than water-based ones, and Minwax Helmsman Spar Urethane contains all the UV-blocking solids you need.

If you think "polyurethane" sounds like the name of ... Dang singled out its UV protection, which makes it a favorite for outdoor wood furniture and decks. Lara agreed, but stressed DIYers should ...