Everlast Advanced Composite Siding is an innovative siding product produced from a proprietary composition of inorganic minerals, polymeric resins, and acrylic colorants, providing strength, durability, and weatherability. It is light, easy to cut and install, and low-maintenance perfect for new or retrofit and light commercial applications on single- and multi-family homes. Everlasts innovative triple-composite process yields the most advanced siding material in the industry. Wood, vinyl, fiber cement, and other composites are no match because, despite costly required maintenance, you'll find these alternatives still fade and deteriorate over time. There is zero required maintenance with Everlast Advanced Composite Siding and unlike fiber cement or wood, Everlast does not need to be painted or caulked, ever. Chelsea Building Products Everlast is manufactured by Chelsea Building Products, headquartered in Oakmont, PA. Chelsea Building Products is an integrated manufacturer providing product design, material development, extrusion tooling technology and finished product to manufacturers and distributors throughout North America. aluplast Chelsea Building Products is owned by aluplast. With headquarters in Karlsruhe, Germany, aluplast is one of the worlds leading system providers of PVC windows, doors, roller shutters and controlled domestic ventilation systems.