Sandwich construction for sandwich panel annexes. Excellent thermal insulation: Significantly saves energy and air conditioning consumption due to its resistance to high temperatures. Super fast execution: A complete annex can be finished within a few days compared to cement construction. Lightweight and durable: Does not impose a heavy load on roofs, making it ideal for upper annexes. Resistance to weather factors: Resistant to rainwater leakage, humidity, and fires. Finishing flexibility: Accepts the installation of various decorations and paints from the inside and outside, such as gypsum board and cement board. Panel for glass rooms and seating areas - Supply and installation of sandwich panels. Installation of sandwich panel for glass rooms and seating areas. Supply and installation of sandwich panels for rooms and annexes. Installation of external glass rooms. Installation of seating areas. Reasonable prices.