PTT1818 Aluminium Top Hung Window 1800 x 1800 (width x height in mm)

The PTT1818 Aluminium Top Hung Window 1800 × 1800mm combines a generous square format with practical top-hung ventilation, making it an attractive option for rooms that need plenty of daylight without sacrificing fresh airflow. Its balanced proportions create a strong architectural feature while fitting comfortably into a wide range of residential and commercial designs.

Manufactured by Sigmadoors, this aluminium window is suitable for bedrooms, lounges, kitchens, home offices and larger living spaces. The top-hung opening sections provide convenient ventilation, while the aluminium construction offers a clean contemporary appearance with the durability and low maintenance expected from modern aluminium windows.

At 1800mm wide × 1800mm high, the PTT1818 works particularly well in new homes, renovations and window replacement projects where a large, well-proportioned aluminium window is required.

• All measurements on images are nominal opening sizes. Actual window sizes are 10mm less.
• Window corners are mechanically crimped and sealed. Glass is fitted into the sashes in rubber channels to enable simple and speedily replacement of glass panes
• High quality aluminium windows constructed from extruded aluminium alloy.
• Glazed with standard clear float glass, Safety glass where prescribed by Glazing Regulations.
• Casement windows are manufactured to comply with minimum performance requirements of 600Pa wind loads (Inland areas). Heavy duty mullions are fitted where required by regulation.
• The windows are commonly used for residential and other architectural projects.
• All windows come complete with fixing lugs, handles, metal screws.
• Top hung aluminium windows are extremely low maintenance, have durable handles and hinges for smooth and silent operation
• The Windows have a pleasant slimline, discreet architectural appearance.
• Custom specifications, variations in sizes and number of sashes can be ordered separately by email.

10% Will be added to the price for colours other than Natural, Bronze and White.

1800 x 1800 Aluminium Windows | Casement aluminium windows (30.5mm) by Sigmadoors

• Choice Of Colour Options

Our range of standard aluminum windows comes in a variety of colours. This ensures that you can easily shop for the correct colour that will suit the desired appearance for your home or office. Should the colour you are looking for be absent from the colour selector, please contact us for assistance. Other colours are provided on request due to low volumes of demand. Our consultants will provide you with a quote and the timeline for the provision of other specified colours on request.

• Fixtures and Glazing

All our windows come completely fitted with glass, handles and hinges.

Note that custom specifications, sizes and number of sashes can be ordered separately by email or calling our sales consultants.

At Sigmadoors we ensure our aluminium windows and doors stands up to the expectations of customers in terms of quality, durability and style.

Place your order online and we will do whatever necessary to get it to your doorsteps without any further delay.