WD-53 Thermally Insulated Window and Door Systems

Opening System

Security Hardware
Security Hardware
Sound Insulation
Sound Insulation
Energy Efficiency
Energy Efficiency
Quality Assurance
Quality Assurance
Thermal Insulation
Thermal Insulation

Cosabella WD-53

From energy-efficient green buildings to modern architecture, it provides facade aesthetics and acoustic calm in all openings where natural light and insulation are priorities. A 34 mm polyamide thermal break and support for triple glazing up to 52 mm minimize energy losses. Independently verified Class 9A watertightness, Class 4 air permeability and C5/B5 wind load resistance make WD53 an ideal solution for prestigious projects seeking sustainability and high structural strength, even in the harshest climates.

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.

Technical Specifications

Sash Height

53/96 mm

Sash Width

85 mm

Frame Height

60/70 mm

Frame Width

77 mm

Interlock Width

72/92 mm

Maximum Glass Thickness

52 mm

Thermal Insulation

34 mm

Watertightness

Class 9A

Air Permeability

Class 4

Resistance to Wind Load

C5/B5

  • Superior year-round energy savings with a 34 mm thermal break and compatibility with 52 mm triple glazing.
  • Class 9A watertightness and Class 4 air permeability provide full protection against extreme storms and rain.
  • Acoustic laminated glazing capacity up to 52 mm creates quiet interiors by blocking outdoor noise.
  • Slim visible aluminum profiles maximize daylight and provide a modern appearance in opening windows and doors.
  • High C5/B5 wind load resistance and reinforced lock/hinge housings integrate superior structural safety.