Aluminum Exterior Wood Interior Windows

When selecting high-performance fenestration that balances modern resilience with timeless warmth, discerning architects and homeowners increasingly specify hybrid systems. Our portfolio includes Aluminum Clad Wood Windows, which provide a rugged metal shield on the outside while revealing authentic wood grain indoors. For rooms that demand maximum airflow and easy cleaning, our Casement Aluminum-wood Composite Windows deliver side-hinged operation with superior multi-point locking. European engineering shines in our Tilt and Turn Aluminum-wood Windows, where the inward-opening sash tilts for draft-free ventilation or fully swings open for emergency egress. High-end residential projects frequently rely on our Residential Premium Aluminum-wood Windows, which merge bespoke sizing, rich color palettes, and heritage-grade timber profiles into a single elegant solution.


Aluminum Exterior Wood Interior Windows offer a refined fusion of cutting-edge thermal performance and acoustic comfort. The load-bearing aluminum extrusion features a thermally broken polyamide barrier that effectively interrupts heat transfer, while the interior timber—precision-milled from laminated Scandinavian pine, oak, or sapele—adds natural insulation and a tactile quality that painted aluminum alone cannot replicate. Each unit is factory-glazed with double- or triple-pane insulated glass units incorporating warm-edge spacers and low-emissivity coatings, helping to meet stringent energy codes without sacrificing visible light transmittance. Deep perimeter weatherstripping, co-extruded Q-Lon gaskets, and pressure-equalized drainage chambers ensure long-term water tightness even in coastal or high-exposure zones. The wood interior surface arrives pre-sanded and can be stained, lacquered, or painted on site to complement existing millwork, while the exterior aluminum cladding is finished with durable polyester powder coating or Kynar 500® PVDF in standard RAL, custom, or anodized look colors.

Key Product Specifications

  • Exterior cladding: 1.8mm – 2.2mm extruded 6063-T5 aluminum alloy
  • Interior timber: laminated Scots pine (standard), European oak, or meranti, treated with insect-resistant preservative
  • Thermal break: 24mm – 34mm glass-fibre reinforced polyamide strips with dual-seal design
  • Glass package: 5/16/4 toughened double glazing with argon fill and soft-coat Low-E; triple glazing 5/12/4/12/4 optional
  • Gaskets: continuous EPDM co-extruded center seal, Q-Lon corner vulcanized weatherstrip
  • Hardware: concealed stainless steel friction hinges (casement) or tilt-turn multi-point mechanism with mushroom cams, anti-lift pins, and night vent position
  • Surface treatment: Qualicoat Class 2 powder coat or PVDF, 80-100 micron average film thickness
  • Glazing bead: screw-fixed interior wood bead with gasket for easy reglazing
  • Screen integration: fiberglass mesh retractable or fixed insect screen compatible with all operating types
Performance MetricStandard / Rating
Window Uw (whole window)0.85 – 1.3 W/m²K depending on glass and frame combo
Air permeability (EN 12207)Class 4 (600 Pa)
Water tightness (EN 12208)Class E 1200 (1200 Pa)
Resistance to wind load (EN 12210)Class C5 / B5 (2000 Pa)
Acoustic insulation Rw38 – 45 dB (glazing dependent)
Operating forceClass 2 (EN 13115)
Durability / cycles20,000 open/close cycles tested (EN 12400)
Solar Heat Gain Coefficient (SHGC)0.35 – 0.55 with selective Low-E
Visible Light Transmittance50% – 70% with clear Low-E glass

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