nc birdguy bluebird songbird duplex bird house with copper roof, made in the usa nc birdguy this songbird house has 2 compartments and is designed for a wide variety of small songbirds such as chickadees, finches, wrens, and bluebirds. this elegant house is made out of cellular pvc, which will not rot, split, or fade, with a shiny copper roof. this birdhouse will light up any yard and also be a great home for birds. mounts on true 4x4 custom sizes are available per request. center divider can be removed to convert to single compartment bird house.