Performance Ratings

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Thermal Transmittance (Uw): From ≈ 1.3 W/m²K (≈ 0.23 Btu/h·ft²·°F)
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Air Permeability: Class 4 (EN 12207)
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Water Tightness: Class 7A (EN 12208)
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Wind Load Resistance: Class C5 (EN 12210)
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Acoustic Insulation: Up to 41 dB

Profile & Construction

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Material: Aluminum with polyamide thermal break
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Frame Depth (Double Track): 116 mm (4.57″)
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Frame Depth (Triple Track): 182 mm (7.17″)
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Sash Profile Depth: 37 mm (1.46″)
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Sightline (Visible Interlock): ~20 mm (0.79″)
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Thermal Break: 16 – 24 mm (0.63 – 0.94″)
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Profile Wall Thickness: ~1.7 mm (0.067″)
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Max Glazing Thickness: ~30 mm (1.18″) — double glazing standard

Configurations

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Sash Options: 2, 3, 4, up to 6 sliding sashes
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Track Options: Double or triple track (multi-rail available)
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Pocket / Galandage: Sashes slide fully concealed into wall cavity
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Corner Configuration: 90° corner opening without vertical mullion

Key Features

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Ultra-slim ~20 mm sightlines for maximum transparency and glass area
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Thermally broken frame for superior energy performance
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Smooth sliding operation on robust rollers with stainless-steel tracks
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Embedded threshold options for accessibility & wheelchair compliance

Available Finishes

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Powder Coat: Full RAL palette & special finishes
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Wood-Effect — Decorative laminate finishes
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Anodized — Durable natural metal finish
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Bi-Colour — Different interior & exterior finishes

Maximum Dimensions & Capacity Per Sash

CORTIZO
Authorized Cortizo dealer — European-engineered aluminum systems.