Olympic WaterGuard for Wood, Valspar’s One-Coat Clear, and Olympic Maximum Sealant aren’t much better, tying for the second-lowest Overall Score in CR’s tests with a 5 out of 100. None can ...

Appearance after three years summarizes performance after one year of our accelerated weathering (i.e. equivalent to three years on a vertical wall). The Valspar DuraMax Exterior (Lowe's) is part ...