The main structure is made of Q235 hot-dip galvanized steel, offering high structural strength, excellent corrosion resistance, and long-term durability. It is especially suitable for coastal, humid, and high-temperature environments.

The treatment involves surface grinding to remove burrs and ensure smooth welding joints, followed by electrostatic powder coating which provides strong adhesion and corrosion resistance, ensuring a service life of 10–15 years.

Standard configuration uses 75mm EPS sandwich panels with 2mm color steel sheets. Custom thickness options of 50mm, 75mm, and 100mm are available, depending on your insulation and local climate requirements.

Yes, PU (Polyurethane) panels are available and offer superior thermal insulation ideal for cold regions, while PIR panels provide enhanced fire resistance suitable for projects with strict fire safety standards.

Yes, it utilizes aluminum foil waterproof layers at joints and openings, hidden drainage channels on both sides, and integrated rainwater outlets. This system ensures excellent waterproof performance and high snow load resistance.

The expected service life is 20–30 years, depending on the environment and maintenance level. We provide a 3-year warranty, which includes spare parts and technical support for non-human damage.