A fence may be used for a variety of reasons. Purposes include security, defining boundary lines, or adding decorative accent to your yard. There are several decisions that must be made before your project can begin. Fences can be built from variety of materials, each one creating a different look. Wood is the most common and is typically used for privacy. Vinyl and composite fencing are designed to resemble the look of real wood without the maintenance of staining or painting. Vinyl or composite fencing will also double the life expectancy of you fence.