January 1999
This Forest Products Laboratory report summarizes water repellents and water-repellent preservatives for wood exposed outdoors above ground. Water repellents and water-repellent preservatives increase the durability of wood by enabling it to repel liquid water. This report includes a discussion of the effects of outdoor exposure on wood, the characteristics of water repellent and water-repellent preservative formulations, and methods for applying these finishes.
Prepared by:
U.S. Department of Agriculture
Forest Service
Forest Products Laboratory
14 pages