About us

Where light meets architecture

Premium aluminum sliding doors and windows, engineered for those who refuse to compromise on beauty, performance, or longevity.
500+
Projects completed
15
Years of experience
98%
Customer satisfaction
24/7
Support available

Built on a belief that every opening matters

Cthru was founded to blur the line between indoors and outdoors.

We collaborate with homeowners, architects, and contractors to bring modern spaces to life.

Every product reflects our commitment to craftsmanship, performance, and the spaces people live in.

We believe great spaces begin with great openings - and every door we build is a promise of quality that lasts a lifetime.

Cthru — Our Mission

Uncompromising Quality

Every product is built to the highest standards of excellence.

Custom-Built Precision

Tailored solutions designed to fit your exact specifications.

Expert Guidance

Our team supports you from consultation to installation.

Lasting Durability

Built to withstand the elements and stand the test of time.

Transparent Service

Clear communication and honest pricing at every step.

Energy Efficiency

Engineered for superior thermal performance and sustainability.
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Aluminum Sliding Doors

Seamless indoor-outdoor transitions with modern design.

Aluminum Windows

Energy-efficient windows that maximize natural light.

Custom Configurations

Fully customizable designs to match your vision.

Professional Installation

Expert installation ensuring perfect fit and finish.

Step 1

Consultation

We discuss your project needs and vision.

Step 2

Custom Quote

Receive a detailed quote tailored to your specifications.

Step 3

Manufacturing

Your custom products are precision-engineered

Step 4

Delivery & Install

Professional installation brings your vision to life.

Ready to transform your space?

Talk to a Cthru and get a free custom quote for your object.

Request a Free Quote Browse Our Products