Cosabella SD-33
From homes with wide facades to prestigious commercial buildings and spacious living room transitions, it suits large openings requiring both wind resistance and insulation. Its 37 mm central interlock provides a balanced, rigid profile that inspires architectural confidence. Supporting high-quality insulating glazing combinations up to 28 mm thick, the system maintains indoor thermal balance with 16/24 mm thermal breaks. Special rollers allow SD33 to carry 140 kg sashes quietly. Certified Class 6A watertightness, Class 3 air permeability and C1/B2 wind load resistance ensure indoor comfort in projects of every scale.
Cosabella Integrated Manufacturing Assurance: From design and extrusion to surface finishing and complementary accessories, all components are manufactured in Cosabella’s own integrated facilities in accordance with international Qualicoat and ISO quality standards. This integrated infrastructure ensures maximum system compatibility, long-lasting mechanical performance and consistent, measurable quality across all our products.
