Below is a detailed price guide for different types of sandwich panels directly from manufacturers. Rock Wool Panel Price Rock wool panels are fire-resistant, sound-absorbing, and provide excellent thermal insulation. They are commonly used in. Easy to Install High Quality Rockwool Sandwich Panel / sandwich Roofing Panel for Steel Structure Building Cladding System. Perfect for construction and commercial applications. Factories offer a variety of sandwich panels, including rock wool panels, aluminum honeycomb panels, and other composite panels, each with different price points based on materials, thickness, and specifications. How does it work? Three simple steps: 1. Search for your products via product overview, direct search or the product selector 3. Create your own customized price list Learn more Pricelist is the efficient online pricing. Lj Steel Structure sandwich panels are cost-efficient prefabricated products, which is made of Two (2) layers galvanized color metalsheet, insulated with different core materials. The insulating corematerials could be EPS (Polystyrene), Fiberglass, Rockwool orPU (Polyurethane). Made with a rock wool core between two metal sheets, they are strong, lightweight, and energy-efficient.