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Window Series

Aluminium Sliding Sash Windows

Aluminium sliding sash windows from SKATE recreate the elegance of traditional sash design in durable aluminium, with thermal break technology and smooth counter-balanced operation.

Wind load ≥ 2000 PaWater tightness E1000 PaProfile width 65–120 mm (Double / Triple Track)
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Technical Specifications

Profile Material
6063-T5 Aluminium Alloy
Profile Wall Thickness
1.2 mm / 1.4 mm / 1.5 mm / 1.6 mm
Profile Width
50 mm – 83 mm
Thermal Break
PA66 GF25 Polyamide Strip
Glass Options
DGU / TGU · Low-E · Argon-filled
Glazing Thickness
22 mm – 24 mm
Air Leakage
≤ 0.3 cfm/ft² | Class 3 (EN 12207)
Water Tightness
E800 Pa (EN 12208)
Wind Load
≥ 2000 Pa | Class C4 (EN 12210)
Sound Insulation (Rw)
Rw 35 – 40 dB
Available Materials
Aluminium / Vinyl / Alu-Clad Wood
Certifications
CE, NFRC, AS 2047

Fitted with HOPPE / GIESSE / Winkhaus hardware — see our component partners

Options & Customization

Specify glass, color, screens and hardware for your project — all factory-direct from SKATE.

Clear Glass

Standard float glass, economical and versatile.

VLT ~89%

Ultra-Clear (Low-Iron) Glass

Minimal green tint, maximum clarity and color fidelity.

VLT ~91.5%

Low-E Glass

Microscopic metallic coating reflects heat, keeps interiors comfortable.

U-value ↓ ~30%

Ultra-Clear Low-E

Low-iron base + Low-E coating: clarity with insulation.

Best visual + thermal

Double-Silver Low-E

Two silver coating layers: blocks solar heat, admits light.

SHGC ↓ significantly

Ultra-Clear Double-Silver Low-E

Premium: low-iron clarity + double-silver performance.

Flagship glazing

Frosted Glass

Acid-etched translucency for privacy with soft light.

Bathrooms, partitions

Switchable Smart Glass (PDLC)

Electrically switches between clear and opaque instantly.

Privacy on demand

Tell us your glass, color and hardware preferences in the quote form — we'll spec it for you.

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Product Overview

Aluminium Sliding Sash Windows – Heritage Style, Contemporary Performance

Aluminium sliding sash windows represent the ideal fusion of architectural tradition and modern engineering. Beloved for their vertical sliding operation, slender glazing bars, and timeless proportions, sash windows have graced residential buildings for centuries. SKATE's aluminium sliding sash windows preserve every element of this classic aesthetic while replacing the maintenance-intensive timber construction with a precision-engineered aluminium system that will not warp, rot, swell, or require periodic repainting.

For heritage restoration projects, conservation area developments, or simply homeowners who appreciate classical window design, SKATE's aluminium sliding sash window offers an authentic appearance with modern thermal and acoustic performance.

How Aluminium Sliding Sash Windows Work

The sliding sash operates on a vertical track system using spring balances or stainless-steel spiral balances concealed within the slender aluminium frame. Both the upper and lower sashes can be raised or lowered independently, allowing flexible ventilation control. The top sash can be opened to exhaust warm air from the upper zone while the bottom sash admits cooler outside air — producing efficient natural cross-ventilation without mechanical systems. A tilt-in feature allows both sashes to swing inward for exterior glass cleaning from inside the building.

Sliding Window — Frequently Asked Questions

  • No. The powder coat or anodised finish on aluminium sliding sash windows requires only occasional cleaning with mild detergent. The colour will not fade, peel, or chip under normal conditions.

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