Preserving and Protecting Structures' Integrity (PPSI) is the Mid-Atlantic's leading 360-degree building envelope solutions and specialty interior materials provider, offering start-to-finish, high-performance consulting, green building, sales, and inspection services to developers, architects, contractors, manufacturers, and commercial, institutional, and government owners. PPSI's high-performance construction solutions include waterproofing and roofing, all types of air/weather barriers, exterior facade materials, expansion joints, concrete repair and restoration, coatings, and specialty interior materials including architectural glass, sustainable furniture, move-able/re-usable walls and more.