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Architectural Glazing Specs

High-Performance Aluminium Windows

Designing a modern architectural home or low-energy retrofit? Learn about slim-frame profiles, double/triple glazing U-values, and find vetted glazing contractors in Ireland and the UK.

Direct Summary: Aluminium windows provide slim sightlines and high structural strength. Thermally broken frames with triple glazing achieve U-values below 0.8 W/m²K, which complies with Part L building regulations.

Aluminium Window Estimator

Estimate window costs, U-values, and thermal specs

8 units
U-Value (Thermal Performance)0.8 - 1.0 W/m²K
Frame CoreThermal Break Aluminium
Estimated Budget Range€9,000 - €11,500
Energy Efficiency note: Triple-glazed aluminium windows achieve typical U-values below 0.8, which comply with modern passive house standards and qualify for retrofit support.

Key Specifications of Aluminium Window Systems

Unlike older cold aluminium frames, modern profiles use advanced engineering to ensure maximum heat retention and acoustic control:

Polyamide Thermal Breaks

Modern aluminium profiles feature a plastic or composite thermal break positioned between the inner and outer aluminium frames. This isolates the cold outer profile from the warm inner profile, preventing condensation and cold transfer.

Slim Profile Sightlines

Because aluminium is structurally strong, it can handle heavy triple-glazed units with very slim frames (sightlines as thin as 50mm). This maximizes glass area and natural daylight entry.

Qualicoat Powder Coating

Aluminium profiles are finished using Qualicoat-certified powder coating. This ensures the color will not fade, chalk, or peel even in harsh coastal marine environments in Ireland and the UK.

Cost Matrix Guidelines (Ireland & UK)

Standard pricing range guidelines for premium thermal-break double and triple-glazed units:

Casement Windows

€750 - €1,200 / unit

Standard side or top hung opening windows.

Tilt & Turn Windows

€950 - €1,450 / unit

Dual-action ventilation and easy clean access.

Sliding Patio Doors

€3,200 - €6,000 / unit

Slim-frame large format sliding doors.

Key Facts Checklist for Aluminium Windows

  • 1.Slim sightlines of 50mm - 70mm maximize natural light transmission compared to wide uPVC frames.
  • 2.Modern polyamide thermal breaks isolate the frames, achieving U-values down to 0.8 W/m²K.
  • 3.Qualicoat powder coating guarantees marine-grade protection for coastal properties.

Frequently Asked Questions