My husband and I have been looking for this also, I found this in a popular mechanics article on line
Not sure when this article was written so the price may be different, but there is a number you can try to reach.
Itís available in the cedar color shown, and its installed cost is from $400 to $600 per square (100 sq. ft.). To locate a contractor or for more information, contact Resource Materials Corp., 1411 Majestic Dr., Freemont, OH 43420; 800-846-9599.