Azek, are a few brands for this product. GO Green!!!Composite material is made form recycled materials, it is much better for the environment!
They are put together with a combination of recycled plastics and the fibers from real wood.
The cost is quite a bit more than using Redwood.
Composite decking and fences are low maintenance and it does not rot, splinter, warp or mildew.
It also does not need sanding or sealing like wood.
If you have a wood deck then please have a look at our before and after photos on Deck Refinishing