ZAR Oil Base Poly Exterior UV is an exterior oil-based polyurethane that dries in just 2 hours on bare wood and provides ideal weather and UV rays protection. Super fast-drying formula allows for multiple coats in 1 day. It is proven to outperform other exterior clear finishes 2 to 1. Specially formulated for exposure to sunlight. Use on bare wood or over ZAR Stain.