The base of the Carousel Birdhouse is made of a solid cellular vinyl, a wood alternative that gives you the look and feel of wood, with little maintenance. The end result is an architecturally pleasing house that looks like wood, but lasts like vinyl. The copper roof is made to endure the elements year after year and age over time to a natural patina. Beautifully crafted, each of the six compartments may be accessed by simply lifting up on the holes. Roof removes for easy cleaning.