You can learn math at David E Williams Junior High School but with our pavilion installation things really add up! Our friendly pavilion installation staff will give you more service with a smile than you’d get at the Andrew Carnegie Free Library. Beat the heat and create a private space to enjoy all year long by covering your patio in Imperial, PA with a custom pavilion from Atlantic outdoors. Finish your backyard oasis with a custom pavilion from Atlantic Outdoors. Like the Childrens Services of Western Pennsylvania, our excellent pavilion installation is designed to perform and built to last.