Greathouse Products

Explore the collection. Select a product for photos, options and project details.
Triangle Sunrooms

Triangle Sunrooms

Triangle roof and flat triangle sunroom systems.

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Slant Sunrooms

Slant Sunrooms

Slant roof and flat roof glass room systems.

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Aluminum Casement Windows

Aluminum Casement Windows

Custom double-glazed casement windows with project sizing.

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Aluminum Sliding Windows

Aluminum Sliding Windows

Horizontal sliding systems for homes, hotels, and balconies.

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Aluminum Awning Windows

Aluminum Awning Windows

Top-hung aluminum windows for ventilation and weather control.

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Folding Windows

Folding Windows

Bi-fold window systems for cafes, shops, balconies, and living spaces.

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French Doors

French Doors

Aluminum French doors for villas, hotels, homes, and commercial buildings.

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Heavy Duty Sliding Doors

Heavy Duty Sliding Doors

Large aluminum sliding glass doors for patios and wide openings.

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Spaces & Applications

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commercial-building-applications 1

Residential Solution

We have developed doors and windows for residential buildings with thermal insulation, sound insulation, waterproof, impact resistance and other properties.

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commercial-building-applications 2

Commercial Solution

Greathouse doors and windows have excellent performance and are very commercial style, which are widely used in office, hotels, airport, and commercial complexes.

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impact-resistant-applications

Sunroom Solution

Our custom sunrooms can be configured for your project. Share the site conditions and required wind performance so we can review the suitable structure and glazing.

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Garage Doors

Garage Doors

Glass, slatted, flush, woodgrain and raised-panel styles. Browse the collection and discuss the right appearance for your opening.

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How We Make Your Products

From aluminum profile processing and assembly to quality inspection and on-site installation

About Greathouse

Greathouse Building Materials Company Limited is a professional manufacturer and exporter specializing in custom aluminum windows, doors, and sunrooms. Tailor-made sunrooms combine tempered glass with weather-resistant frames, delivering thermal insulation, soundproofing, and flexible project customization.

“Greathouse, for a super life” is our vision … …

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Greathouse factory entrance

150+

Employees

20,000+

Square Meters Factory

20+

Years' Manufacturing Experience

10,000+

Containers Exported

How You Inspire Us

Greathouse is always inspired to be better and better
Smith

Thank you for the shop drawing, I will look over them soon. We have received our order for building 5&6, yesterday & all items look good, although we haven't
unpacked them yet.

Smith ( AU )
Ryan

We have all the windows in and very happy with the products quality.
Our next step is to install the folding doors and need some instructions for assembling.

Ryan ( USA )
Robert

Windows are AWESOME!!!
GREAT WORK!!! And I will be ordering more next project. You did really good job.
Must give us best price next project.

Robert ( USA )
Kent

The container you sent arrived all well. We unloaded it and were very pleased with the job your whole team made.
They look very good quality and you should be all very proud.

Kent
Andrew

Just letting you know that windows are being installed and the builder thinks that they are the best quality that he has seen.
Thanks heaps.

Andrew