Wooden bulkhead is very economical and protects property from erosion. While vinyl may last longer because of it's synthetic makeup, wooden bulkhead is less costly and still gets the job done. Built with treated wood, it is protected from parasites in the water. While a vinyl bulkhead is a bit more costly than wooden bulkhead, it has many advantages. These include: chemical resistance, mildew resistance, and marine borers resistance. A vinyl bulkhead is very flexible and has an elasticity that can move with high pressure waves without breaking apart or caving in. Vinyl bulkhead can endure extreme heat or cold without expanding or breaking.