Annex rooms sandwich panel installation sandwich panel Eastern Province Dammam, Al Khobar, Qatif, Al Khair, Jubail, Al Ahsa, all areas of the Eastern Province. Sandwich panel, new modern technology panels for those looking for a functional room or warehouse in the fastest time. Its first choice is sandwich panel, insulated from leaks and heat, suitable for overnight stays. Sandwich for storing your belongings or rooms for tools. Lightweight and fastest to work with, suitable for warehouses, rooms, external annexes, and insulated bathrooms. Quality and warranty.