How bufftech fence? The basic ingredient is BUFFTECH rigid (polyvinyl chloride) modify to provide exceptional impact strength and ultraviolet (UV) resistance. This vinyl formulation is similar to vinyl wall coatings, which have a history of providing long-term durability and structural integrity. Bufftech can modify the impact. However, Bufftech has adjusted its vinyl formulation to meet or exceed the requirements need for excellent performance in the field. Flexibility is the norm and benefit of vinyl fencing, allowing the fence to maintain its strength and shape. Most Bufftech vinyl products feature steel reinforced bottom rails for stronger and stiffer fences – reducing the possibility of slack or bending.