For many homeowners in the St. Louis area, their backyard is a natural extension of their home. It provides space to entertain, enjoy the outdoors, and spend time with family, especially during the summer. Make enjoying your backyard even easier with a sliding glass door from Zen Windows St. Louis.

A glass patio door provides easy access to the outdoors, offers a great view, and brings in lots of natural light. At Zen Windows, we offer a wide selection of sliding glass doors to meet your tastes and budget and professional installations for long-lasting reliability and comfort.

With our great service, excellent financing options, and lifetime warranties, we make getting your new glass patio door an easy choice.

Could your St. Louis home use a new glass patio door? Call Zen Windows St. Louis at (314) 399-0856 to request a free, no-hassle, no-obligation quote today.


Sliding white patio door with grids and two single-hung windows.

Why Choose a Sliding Glass Door for Your Home?

Sliding glass doors feature two large panes of glass, one that’s fixed and one that slides open. They’re a great addition to almost any home, with benefits such as:

  • Providing an expansive view of the outdoors
  • Letting in plenty of natural light
  • Needing less interior space than swinging patio doors
  • Staying in place when you’re carrying items in and out of the house
  • Making it easier to enjoy the backyard

Want to learn more about the advantages of a glass patio door for your Missouri home? Call or contact our experts online.

Custom Sliding Glass Doors for Every Style & Budget

Sliding glass patio door in a living room, leading out to a patio.A sliding glass door should conform to your lifestyle, decor, and budget. At Zen Windows St. Louis, our glass patio doors offer many great standard features and impressive custom options that can make the door your own.

Our products feature:

  • Custom sizes to fit nearly any opening
  • Traditional or contemporary frames
  • Dozens of available wood-grain and painted finishes
  • A foot-operated deadbolt for added security
  • Several glass coating options for greater efficiency
  • Available stylish etched glass or grid inserts

Start designing your sliding glass door today. Call (314) 399-0856 or contact our team online.

Why Choose Zen Windows St. Louis for Sliding Glass Door Replacement?

Zen Windows St. Louis believes in a different way of providing window and door replacements in St. Louis, MO. There are no in-home sales pitches, pushy salespeople, or endless demonstrations. We let the quality of our products and services do the talking.

We feature:

  • High-quality windows and doors at fair prices
  • Free, no-obligation quotes that are fast and accurate
  • No hassles and no high-pressure sales tactics
  • Impressive financing options with no money down
  • A true lifetime warranty

Schedule your sliding door installation today. Call or contact us online for an appointment in St. Louis or surrounding areas.

Sliding Door & Glass Patio Door FAQ

Are glass sliding doors secure?

The security of your sliding glass door relates directly to its quality. At Zen Windows St. Louis, we carry sliding doors with strong, durable frames, quality hardware, and a foot-operated deadbolt to help keep your home more secure.

How do your sliding doors stand up to the weather?

With corrosion-resistant frames, galvanized or zinc-plated hardware, and high-strength glass, our sliding glass doors are well-equipped for the unique challenges of St. Louis weather.

What finishes are available for your glass patio doors?

We offer several wood-grain and solid color finishes that can be used to accent your home’s décor.

How efficient are sliding patio doors?

At Zen Windows St. Louis, we feature high-quality frames that offer low thermal conductivity, and we offer a wide range of energy-efficient glass options, from two- and three-pane glass to low-E glass, argon-filled glass, and more.

What sliding glass door sizes are available?

We offer a full range of standard sliding door sizes and custom sizes to perfectly fit your home’s rough opening.

Sliding glass door by Zen Windows

Standard Sizes

  • 5’0″ x 6’8″
  • 6’0″ x 6’8″
  • 8’0″ x 6’8″
  • 9’0″ x 6’8″
  • 12’0″ x 6’8″

Custom Sizes

  • Two-panel widths: 36″ to 94 7/8″
  • Three-panel widths: 95″ to 142 7/8″
  • Maximum height: 84″

Standard Sidelite Sizes

  • 2’7″ x 6’8″
  • 3’1″ x 6’8″
  • 4’1″ x 6’8″

Custom Sidelite Sizes

  • Width: 1’6″ to 4’1″
  • Maximum height: 84″

Interior Color Options

Decorative Glass Options