henry wise junior high school location: upper marlboro, md roof size: 240,500 square feet owner: prince george's county public schools general contractor: oak contracting project description: 188,000 square feet hot asphalt 4 ply fiberglass felt built-up roofing. 28 steel canopies. 2 large structural skylights. Metal Mechanical screen wall. Composite wall panels. 35,000 square feet of radius standing seam roof.