Fast Construction Rock Wool Roof Sandwich Panel for Modern Apartment Buildings

Fast Construction Rock Wool Roof Sandwich Panel for Modern Apartment Buildings. No On-site Rebar Tying: Factory prefabricated truss saves rebar tying process, construction speed 2-3 times faster. High Load-bearing Capacity: Composite structure offers 30-50% higher capacity than ordinary deck for large spans. Stable Quality Control: Factory automated welding ensures precise rebar spacing and avoids on-site quality fluctuation. Removable Bottom Form: Galvanized form can be reused 3-5 times after concrete curing or left as permanent ceiling. Ample Stock Availability: 500+ tonnes ready stock with 3-7 days pickup for common models TD3-TD5. Wide Model Range: TD1-TD7 series covers truss heights 60-350mm and slab thicknesses 80-370mm. Custom Length Processing: Length customizable per span, generally 1.5-12m, with special models available. Compliance with Standards: Manufactured according to JG/T 368-2012 and GB 50017-2017 standards.