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Aluminium Casement and Shaped Windows

Casement Windows

Aluminium Casement Windows

AluK casement window profiles are versatile and high performing and come in both contemporary and traditional designs. Available in a range of powder coated colour finishes, they can be tailor-made to meet your exact requirements.

AluK 58BW Casement window profiles feature polyamide thermal breaks for enhanced thermal performance. Alu-tec have a range of frames and sashes to accommodate a variety of installations.

Casement Windows

Suitable for any application


The AluK 58BW casement window features a range of glazing thicknesses. It is suitable for both commercial and residential applications with a range of stylish finishes.

AluK profiles meet the highest UK industry standards for security and energy efficiency. They create attractive window designs with slim, clean sightlines, making them the best choice for any project.

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White White
Anth. Grey Anth. Grey
Black Black
Chocolate Brown Chocolate Brown
Anth Grey / White Anth Grey / White
Black / White Black / White
Brown / White Brown / White
RAL colour options RAL colour options

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Aluminium Flush Window with Astragal Bar

Casement Windows

Casement Windows Key Features

Aluk 58BW
Frame Depth
58mm and 70mm
Outer Frame
11 Options
9 Options
Glazing Thickness
28mm – 36mm
Security Rating
Secured by Design Option
U-value (double glazing)
1.4 W/m²K
Window Energy Rating
A, B & C

Aluminium window expertise and more

When you choose Alu-tec as your aluminium window supplier you access a wealth of industry knowledge. Alongside high quality aluminium windows, you get excellent customer service and advice. Click on the boxes below to contact us or visit our information centre for more technical product specifications.

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BFRC Accreditation Secured By Design Accreditation CE Accreditation BSI Accreditation logo

Based in Essex, servicing East Anglia & the Home Counties

From our head office and factory in Southend-on-Sea, we supply aluminium windows and doors across the south east. From the northernmost tip of Norfolk down to the south coast of Hampshire, we offer our trade and commercial customers the best in aluminium products. Our service won’t be beaten and with Alu-tec as your supplier, you’ll see significant business growth.

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