Suncast Belvedere Vinyl Cupola with Copper Roof and Weathervane Serves as a decorative and functional (can be used for venting) unit for the top of your structure; fits A-frame style roof up to 10/12 pitch Authentic copper roof with concave slope; copper will age to a light green/gray color when exposed to the elements Base is made of premium quality maintenance-free recycled plastic lumber (Azek), with UV protection to prevent discoloration