What are Vinyl Pro Fence building products made of?

The base ingredient is rigid PVC (Polyvinyl Chloride) homopolymer compound with a high level of titanium dioxide (TiO2) pigment for long term, ultraviolet (UV) light resistance and impact modifiers for superior strength. The formulation is similar to that of vinyl siding and windows, which have a long history of providing long-term durability and structural integrity.