Pre-Painted Galvalume Steel (350 MPa) with AZ150 aluminum-zinc alloy coating—engineered for structural endurance, solar heat reflectivity, and up to 30 years of service life.
Multi-tier protective strata combining molecular conversion passivations, corrosion-inhibiting primers, and durable resin finishes over high-tensile 350 MPa Galvalume steel.
High-tensile structural steel engineered for long-span curved trussless arch panels without intermediate purlins.
Sacrificial barrier providing cut-edge protection and superior multi-decade corrosion defense.
Optimal metallurgical balance combining aluminum barrier defense with zinc sacrificial galvanic protection.
Calibrated sheet thickness selected according to site-specific wind loads, building spans, and seismic zones.
Standardized precision coil geometry enabling seam-locking on-site mobile roll-forming machines.
High solar reflective surface keeps interiors cooler and reduces warehouse air-conditioning energy loads.
Super-durable pre-painted polyester resin topcoat formulated for UV color retention and gloss integrity.
Certified 10-year manufacturer warranty backed by an engineered service expectancy of up to 30 years.
Vinfra ProjectsA professional company providing Trusless Roofing all over in South India with years of experience in Trusless Roofing Industries. We emphasize on quality of products.
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