Sliding Patio Doors in Pennsylvania

At Keystone Window of Pennsylvania, integrity, honesty, and exceptional service are at the heart of what we do. As a dedicated provider of replacement windows and doors, we proudly serve Southeastern Pennsylvania, including Bucks & Montgomery Counties. We are more than just a company; we are your partner in enhancing the beauty, functionality, and comfort of your home.

A patio door should be one of the most inviting parts of your home. If you choose one of our patio doors, it will be. Our patio doors will help you express your lifestyle best because they are as durable, energy-efficient, and maintenance-free as they can be.

Benefits of Sliding Patio Doors

Experience the seamless integration of indoor and outdoor living with our sliding patio doors. These doors not only bring in abundant natural light but also offer panoramic views of your surroundings. They create a sense of spaciousness, while their smooth operation and space-saving design make them an ideal choice for any home. Enjoy easy access to your outdoor spaces, enhanced ventilation, and a modern touch that adds both aesthetic appeal and functionality.

Custom & Standard Replacement Sliding Patio Doors

Whether your home has unique architectural features or you’re seeking a classic design, our selection of custom and standard replacement sliding patio doors has you covered. We offer five standard door sizes and also make custom doors to meet your specifications. Our experts are here to help you choose the ideal sliding patio door that seamlessly blends with your home’s design and reflects your personal style.

Upfront Sliding Patio Door Pricing – No Surprises, Just Quality

Transparency and trust are our guiding principles, which is why we provide upfront sliding patio door pricing. No gimmicks, no hidden fees – just a clear and honest understanding of the costs from the very beginning. We prioritize your satisfaction and are committed to delivering top-notch products and services that align with your budget and expectations.

Professional Sliding Patio Door Installation in Pennsylvania Included

Rest easy knowing that your sliding patio door installation is in the hands of our skilled and Installation Masters-certified installation crews. With their expertise and attention to detail, you can be confident that your new sliding patio door will be installed seamlessly and securely. Proper installation is essential for optimal door performance, and we’re dedicated to delivering outstanding results.

Many Sliding Patio Door Colors & Styles to Choose From

Add a personal touch to your home with our wide variety of sliding patio door colors and styles. Whether you’re aiming for a sleek modern look or a more traditional feel, our selection allows you to customize your doors to perfectly match your home’s décor and ambiance.

Contact Us for Sliding Patio Door Installation in Pennsylvania

Ready to elevate your living spaces with the beauty and functionality of sliding patio doors? Contact Keystone Window of Pennsylvania today! Our friendly team is here to answer your questions, provide expert advice, and schedule your sliding patio door installation in Southeastern Pennsylvania, including Bucks & Montgomery Counties. Let’s embark on this home improvement journey together, enhancing your home’s connectivity, aesthetics, and enjoyment of the great outdoors.

Keystone Window of Pennsylvania is also proud to offer the following door styles:


Keystone Doors

Energy Star Certified


Tax Credit Qualified


Manufacturer's Warranty

Transferable Lifetime

Interior-Exterior Colors


Decorative Glass


Features and Benefits:

  • Heavy duty fiberglass pultruded sill. Durable enough to bear heavy foot traffic anywhere along the sill.
  • Fusion-welded metal reinforced sash. Provides structural integrity. Eliminates drafts. ñ  Multi-chambered, hollow core, welded main frame. Provides superior strength.
  • 1" triple pane glass and 7/8" double pane insulted glass are optimized to provide maximized energy efficiency.
  • Tempered glass. Shatters into dull rather than sharp pieces of glass.
  • Lead-free, virgin PVC vinyl. Our vinyl stands up to the weather, wherever you live, for a lifetime.
  • Interlocking panels.  Prevent separation when door is closed. Easy rolling extruded screen door locks for added protection.
  • An optional upgrade to BetterVue™ screens will provide better insect protection and curbside beauty.

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