The formula is water-based and can be applied with a brush, spray, or roller; easy cleanup with soap and water.
Exterior 450 Topcoat is fortified with UV absorbers to stabilize and protect the integrity of the finish but will not prevent the wood from changing color from sunlight
Do not apply clear topcoats over bright white paint, as yellowing may occur due to a reaction to the substrate. Light color paints may also experience yellowing due to topcoat application, but it will less noticeable