Stanek Windows by Great Day Improvements
Great Day Improvements Patio Enclosures by Great Day Improvements Stanek Windows by Great Day Improvements
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Patio & Entry Doors

Stanek® Patio Doors and Provia® Entry Doors

Great Day Improvements offers a wide selection of both patio doors and front entry doors to complement the look of your home. Our Stanek® vinyl sliding patio doors combine ease-of-care, beauty and extended performance with features like tempered safety glass and a two-point locking system to keep your home safe and secure. We also offer an extensive selection of fiberglass and steel entry doors from ProVia® which can be customized to the style of your home. ProVia® entry doors are sold in a fully finished state, ready to be professionally installed by our experienced team.

Double-Hung Window Helpful Information

Updating Your Home Exterior

Updating the exterior of your home can seem overwhelming, but it doesn’t need to be. Discover how you can add curb appeal to your home on a budget, as well as ways to increase the energy efficiency of your home.

Is it Time to Replace Your Sliding Patio Door?

Learn about how often patio doors should be replaced, the many advantages of replacement patio doors, and what to expect during the replacement door process.


Every ProVia® and Stanek® door is custom-designed and custom-manufactured for your home, which means the price can vary based upon the options and upgrades selected.

We offer a variety of no interest and low monthly payment plans to make your replacement door project affordable so you don’t have to compromise on quality.

Schedule your FREE In-Home Estimate today or call 800-230-8301 to learn more.

Our Guarantee

  • All ProVia doors carry a Limited Lifetime Warranty. Ask your Stanek Windows representative for details.
  • All Stanek windows and doors include a Limited Lifetime Warranty on material and a two-year warranty on labor.
  • Learn more about The Stanek Difference and our commitment to excellence.

Patio Doors

Patio Doors

Stanek® glass patio doors provide exceptional security, keeping you and your family safe without sacrificing style or beauty. In addition to being secure, our doors are also are energy efficient and built to last, providing the ultimate combination for your home.

Patio Door Photo Gallery
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Entry Doors

Entry Doors

ProVia entry doors and storm doors are individually customized, giving you a wide array of front entry door design and style options for your home, combined with the industry’s highest quality standards of durability, security, energy efficiency and beauty.

Entry Doors Photo Gallery
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