System Construction

Thermally broken aluminium profiles for modern performance.

Selected Summerhill systems use thermally broken profile construction to support improved thermal separation while maintaining clean architectural detailing.

100 Series thermally broken awning window profile

100 Series Awning Window

Thermally broken window profile with integrated glazing, drainage and sealing details for residential applications.

153 Series thermally broken slim sliding door profile

153 Series Slim Sliding Door

Slim sliding system combining reduced sightlines with insulated profile construction and clean contemporary detailing.

220 Series thermally broken sliding door profile

220 Series Sliding Door

Multi-track sliding system designed for larger openings and substantial project requirements.

System Benefits

Why use a thermal break?

A thermal break reduces the direct conductive path between the interior and exterior aluminium sections. Actual whole-window performance depends on the complete frame, glass, seals, installation and project conditions.

Thermal Separation

Insulating elements interrupt direct heat transfer through the aluminium frame.

Clean Detailing

Performance-focused construction can still maintain a modern architectural profile.

Glazing Integration

Frame and glass selection should be considered together as part of the final system.

Project Matching

Final suitability depends on system series, opening size and project documentation.

Project Enquiry

Ask which thermally broken system suits your project

Send plans, photos, measurements or a product schedule and we can help review suitable system options for your project.

Contact Summerhill