Great Lakes Sun Management, Blinds, Window Treatments, Chatham Ontario

Custom window coverings · Chatham-Kent and Southwestern Ontario

Beautiful windows start with the right light.

We design and install custom blinds, shades and drapery, made in Canada by Elite Window Fashions. In-home consultations, precise measurements and installation you can trust.

How it works

From first call to final installation, we handle every detail.

1. Book a visit.

Pick a time that suits you. We come to your home.

2. We design together.

Real samples in your space, colours against your walls, honest guidance on what works best.

3. Custom made.

Your treatments are built to your exact measurements in Canada.

4. We install.

Precise, clean and finished. Most installations completed in a single visit.

Experience you can trust

Great Lakes Sun Management is new, but the people behind it are not.

Liberty Interior Design

Erin's design studio has been shaping beautiful homes across the region. That same eye guides every window treatment we recommend.

Zandstra Carpentry

Brett's craftsmanship is trusted on custom homes and renovations. Your installation gets that same precision and care.

Elite Window Fashions

A Canadian company since 1967. Every product we install is custom made in Canada and backed by warranty.

Client stories coming soon. Our first installations are underway.

Let's bring your vision to light.

Tell us about your windows and we'll take it from there. Consultations are by appointment, in your home, across Chatham-Kent and Southwestern Ontario.

Prefer to talk first? Call 647-360-1259 or email erin@libertyinteriordesign.com.

Why Great Lakes Sun Management

A window covering should do more than filter light. It should suit your home, your habits and your style.

A designer's eye on every window

Erin Liberty is an interior designer. Every treatment is chosen to suit your space, your light and your style, not just your window size.

Custom, not off the shelf

Everything is measured in your home and built to order in Canada by Elite Window Fashions, setting the standard for quality since 1967.

Installed with precision

Brett Zandstra is a master craftsman. Exact measurements, clean lines and a polished finish that is built to last.

See what we do
Book an in-home consultation

Our products

Every option is custom made to your measurements, in your choice of fabrics, colours and finishes.

Roller Shades

Clean lines and modern ease. Choose light filtering for soft daylight or room darkening for restful sleep.

Zebra Shades

Two layers that shift between gentle daylight and full privacy in a single motion.

Cellular Shades

Honeycomb construction that helps insulate your windows and softens the look of the room.

Sheer Shades

Soft, diffused daylight with a finished look. Beautiful in living rooms and anywhere you want light without glare.

Roman Shades and Drapery

Tailored folds and full drapery panels that add warmth, texture and polish to any room.

Motorized Solutions

Open and close your shades by remote, schedule or voice control. Battery or hardwired options, with rough-in planning for new builds.

Book an in-home consultation

A man and a woman are standing together in a living room, smiling at the camera. The man is wearing a black hoodie and jeans, the woman is wearing a red jacket and black pants.

  • Canadian-made Elite blinds since 1967

  • "Design is more than how it looks—it's how it feels to live in a space. The right window coverings change everything."

    Erin Liberty, Principal Designer

  • "When it comes to craftsmanship, details matter. Every measurement, every install—it’s got to be right."

    Brett Zandstra, Lead Carpenter

  • "Our clients don’t just want beautiful—they want ease, flow, and function. That’s what we deliver, every time."

    Erin Liberty, Principal Designer

  • "We're here to do it once, and do it well. That’s the difference quality makes."

    Brett Zandstra, Lead Carpenter

Follow Us On Our Design Socials

Modern living room with beige leather sofas, marble coffee tables, decorative pillows, abstract wall art, large windows, and a wooden beam on the ceiling.
A white-framed window with a gray zigzag-patterned roller shade partially pulled down, a black oval mirror, gold wall sconce, and a black pot with a green fern on a white countertop.
Modern living room with a brown leather sofa, black and white decorative pillows, a marble coffee table with a plant and candles, large green houseplants, abstract art on the wall, and a large window with vertical blinds.
Close-up of white curtains with gray diagonal stripe pattern hanging in front of a window.