Authentic Roof by Crowe Building Products is a building material specifically designed to look like, but be an improvement on traditional slate tiles. Authentic Roof is made from TPO, which is a material made by combining Polyethylene, Polypropylene and EPDM rubber. It has been used in automotive applications for decades.
This rubberized material is highly recyclable and is classified as TPO when the material contains at least 20 percent rubber. A UV stabilising additive also provides UV protection, the material has unparalleled hail resistance and is guaranteed for 50 years.
Source: Authentic Roof