01Casement windows & doors
Hinged inward or outward for ventilation, access and reliable sealing.
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One opening.
Many possibilities.
We help select the right operation, profile, glass and hardware around the way your space needs to work.
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02Sliding windows & doors
Space-conscious horizontal operation for everyday openings and broad spans.
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One handle enables controlled top ventilation or a wide inward opening.
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Ventilation plus sideways access where a hinged sash would use valuable space.
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05Lift-and-slide
Smooth operation for large glazed openings, subject to technical review.
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06Bifold & French doors
Wide, flexible passages configured around the opening and access pattern.
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07Bay, arched & fixed
Architectural forms combining fixed glazing with project-specific openings.
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08Aluminium windows & doors
An additional RHA capability for selected residential and commercial applications.
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The complete specification
Performance is a team effort.
Profile design, reinforcement, glass, glazing, hardware, seals, drainage, fabrication and installation all influence the finished result. We confirm exact specifications after reviewing the project.
- Single or multi-pane glazing options
- White, matte black and walnut brown finishes
- Project-specific hardware and reinforcement
- Custom combinations of fixed and openable sections
Pricing and warranty are quotation-specific.
Prices depend on system, dimensions, profile, glass, hardware, colour, quantity, installation and site conditions. Applicable warranty coverage is confirmed in the approved quotation.
Discuss your project