Heartwood birdhouses are crafted in the USA. The primary birdhouse house material is naturally rot-resistant domestic cypress wood that is a scrap byproduct of lumber bound for furniture factories. All paints are industrial grade, non-toxic, acrylic latex designed for outdoor durability. The distinctive cypress shingle roofs, which are specially tapered, dog eared, and stone washed, give Heartwood birdhouses a custom look and lifelong durability. Cellular PVC is completely synthetic and maintenance free wood substitute. It will not absorb moisture, crack, split, warp, delaminate or rot. You have the rich appearance of wood with none of the maintenance issues related to painted wood. It maintains a "like new" appearance in all types of weather. Cellular PVC requires no paint for protection or appearance. It also resists wood-boring insects, freeze/thaw cycles and high humidity. Read More About the Heartwood Eco Friendly Story View All Heartwood