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Aluminium casement windows are highly versatile in design whilst offering strength, durability and resistance to rust and corrosion. They provide slim-lines, more glass area and less visible frame allowing for a contemporary look or indeed a heritage design look to match steel windows of the past whilst providing the benefits of modern design such as thermal efficiency and security. Our aluminium windows are a premium product, maintenance free and built to last, with the life span being measured in decades rather than years.

As with all our products we offer a standard range of colours with quicker lead times but also offer the full RAL choice of colours through spraying. The choice of having a single colour or a dual colour finish allowing for you to match the building’s internal and external finish is also available. All products are painted in a polyester powder coated finish which is baked on for a tough and resilient finish that will not flake or fade over time.

All windows have a wide selection of furniture to suit every choice complementing the high security multipoint locking as standard. The choice in aluminium is quite vast and one that cannot be fully explained on one webpage so please contact one of the team in the office who will be more than happy to discuss your requirements and help you make the right choices for what you are trying to achieve.

  • Windmill Windows offers a full range of standard to bespoke ironmongery. All systems come with different options although the SMARTS and ORGIN systems use the Fab ‘n’ Fix range as their standard although these can be changed for different bespoke options.

    Windmill Windows will talk you through the options upon quoting and also throughout your design stage

  • Standard Finishes:

    SMARTS – Gloss White, Anthracite Grey, Black, Brown, Cream
    ORIGIN – Gloss White, Anthracite Grey, Slate Grey, Black Grey, Black, Brown, Silver Metallic
    REYNAERS – Traffic White (RAL 9010), Anthracite Grey, Black
    ULTRALINE – Anthracite Grey, Black Grey, Gloss White

    Bespoke Finishes:

    All systems offer the full range of RAL colours if you so wish as well as their standard colours above. Origin also offer a range of woodgrain effect finishes to mimic timber as close as possible in aluminium providing the leading way in this particular market.

    All RAL colours also possible using our spraying facility

    Ral Chart

  • The outer frame is the surrounding frame through which the window is fixed, highlighted here in blue:

    Outer Frame for Window

    The sash is the opening casement, highlighted here in green


    The glazing bead is the piece of profile used to secure the glass into the window, highlighted here in red

    Glazing Bead