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Therma-Tru Patio Doors

Learn How To Select Your Doors

A Variety of Styles With A Lifetime Warranty

Both Double Door French Opening and Patio Doors are available in Classic-Craft®, Fiber-Classic®, and Smooth-Star®, and backed by a limited lifetime warranty. Plus, all units are Energy-Star qualified, helping to reduce utility bills and energy demand.

Double Door French Opening

Doors open in the middle, unlocking the astragal allows for both doors to operate freely. Aluminum astragals and their dual-durometer triple seal boot design that secures the door tightly to the sill, providing a weather-tight seal between the door and the sill.

Sliding Patio Door

One door is active, the other fixed. The active panel can either be hinged from side jamb or center mull post. Therma-Tru vinyl sliding patio doors are crafted to ensure smooth operation with fully adjustable rollers. Reinforced windows help provide weather protection and security. A tamper-resistant, adjustable locking system also delivers added security.


Pittsburgh's Top Therma-Tru French Patio Door Installation Provider

Allegheny Millwork & Lumber is pleased to introduce Therma-Tru french patio doors installation services for your Pittsburgh property. Therma-Tru patio doors are designed to enhance your home’s connection to the outdoors, offering a seamless blend of beauty, functionality, and energy efficiency. With a focus on creating comfortable indoor-outdoor living spaces, Therma-Tru provides a wide range of patio, storm doors, retractable screen doors, and vented sidelites, ensuring there’s a perfect fit for every home’s architectural style and homeowner’s lifestyle.

Opting for Therma-Tru french patio doors means choosing a product that combines innovative design with practical features. These doors are engineered for durability, security, and ease of use, offering various styles from traditional to contemporary to match your home’s aesthetic. The inclusion of features like multi-point locking systems, adjustable sills, and dual-bulb/dual-fin sweeps enhances the doors’ performance against air and moisture infiltration, contributing to a more comfortable and energy-efficient home.

Our installation services are aimed at transforming your home’s entryways into elegant and efficient transitions between your indoor and outdoor spaces. We understand the importance of a tailored approach to installation, which is why our services are customized to meet your specific requirements. From the initial consultation to the completion of the installation, our team of professionals will work closely with you to ensure your satisfaction with the final product.

Choose Allegheny Millwork & Lumber for your Therma-Tru french patio doors installation and enjoy the benefits of enhanced beauty, security, and energy efficiency in your home. With our expert installation services, you can be confident that your new patio doors will not only complement your home’s design but also improve its overall functionality and comfort.



Features and Benefits

  • Offers a broad range of price options that are also cost-effective
  • Extensive selection of glass options and panel styles for many different architectural preferences and styles
  • Custom sizing available
  • See website for a variety of warranties based on purchase

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About Us

Why Builders Recommend Allegheny Millwork & Lumber

Our reputation for quality and excellence is why you should choose Allegheny Millwork & Lumber.  Our staff is highly knowledgeable and friendly.  We will help guide you through the myriad products when you are building or renovating your home.

From building materials to fine finishes, we have you covered.  Beautiful doors create a welcoming entrance to your home.  Crystalline windows and gargantuan patio doors can grace your property, framing the view and keeping you protected from the elements.  Our experts can help you make the decisions when choosing what is right for you.  No project is too big or too small.  Come see why the best contractors in Pittsburgh have been using Allegheny Millwork & Lumber for the last 40 years.

With over 350 moulding profiles in stock, we can adorn your windows and doors, ceilings, walls, and floors with quality woodwork to put your own stamp on the project at hand.  We can also match existing millwork to complete your historical renovation.

Additionally, we will help you design the kitchen of your dreams.  We encourage you to make an appointment in our 10,000 square feet design showroom.  You can also visit our virtual showroom by clicking on the link to the right  We hope to see you soon!