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Alu-clad Flush Casement Windows

The combination of timber overlaid with aluminium provides many benefits. While the timber window or door remains visible inside the building, the external face is adorned with aluminium for great durability and easy maintenance.
The combination of timber overlaid with aluminium provides many benefits. While the timber window or door remains visible inside the building, the external face is adorned with aluminium for great durability and easy maintenance.

Modern alu-clad flush casement windows can be suited to a variety of properties and are often seen within high-rise developments because fully reversible panes makes them easy to clean from inside. They’re also a great choice for residential properties, as the selection of exterior powder coatings complement the exterior colour palette of any property.

Endless options, elegant finishes, and first-class engineering.

Specifications

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Alu Clad Flush Casement Windows
Product guidance - as standard
Frame
56 x 100 mm - Standard. Manufactured using mortise and tenon joints, glued and mechanically fixed.
Sash
77 x 78 mm - Standard.
Sill projection
50 mm, 70 mm, 90 mm, 110 mm, 130 mm, 150 mm, 225 mm, 300 mm, 360 mm.
Wood moisture content
12-19%.
Glazing beads
Internally beaded.
Product specification
Material
Engineered redwood - Standard. Engineered hardwood, Accoya, European oak.
Internal Finish
Three coat spray applied factory finish using water based micro-porous paint/ stain.
External Finish
Polyester Powder coating.
Colour
White - RAL 9016 - Standard. Any RAL - from RAL classic range. Stain - from TRC stain range.
Glazing
Double glazed, 4/16/4 Low-E – Standard.
U-value
1.2 W/m²K double glazed – 0.8 triple glazed W/m²K.
Perimeter spacer bars
White warm edge perimeter spacer with white warm edge integral spacers - Standard. Silver and Black spacer optional.
Frame profile moulding
Ovolo 26mm.
Trickle ventilation
Through sash head trickle ventilator. EA 1700, 4400, 5000 mm²
Security
Can conform to PAS 24
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Alu Clad Flush Casement Windows

The evolution of
alu-clad flush casement windows

The first generation of alu-clad flush casement windows were simply manufactured to extend the lifespan of what had previously been purely timber frames. This was achieved by adding a thin plating of aluminium to the exterior profile of the timber. While this helped protect the frames from the elements, it didn’t allow for much improvement in energy efficiency or security.

Today’s generation of alu-clad flush casement windows has significantly evolved. They are now renowned for their high performance and longevity. The result of combining the best features of timber and aluminium frames into a first-class window system has allowed energy performance, low maintenance and weather protection to become standard features. It’s perfectly reasonable to expect a good quality window system to last upwards of 40 years!

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