Therma-Tru Doors

We invented the fiberglass door because we believe it combines the best characteristics of wood and steel – beauty and performance – without the compromises. And we remain committed to making smart, innovative new products – such as the Classic-Craft Canvas Collection and vented sidelites. Therma-Tru Doors are better and more beautiful every year.

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Therma Tru Doors


Save During Our Fall Door Spectacular! Purchase any Therma Tru Door before October 28, 2017 and you will receive a 10% savings off the cost of your new door. Any Style, Any Collection!

Choosing Therma-Tru Doors isn’t about just selecting a door. It’s about designing an inspired entrance. Creating a look everyone will love. And having confidence that it will perform for years to come.

Don't miss this limited time offer to transform your home with a beautiful new door! Come see Therma-Tru Doors in our new DoorCenter showroom!

Therma Tru Fiberglass Doors

We are a Therma Tru Design Gallery
Somerville Lumber has one of the most extensive door displays in the area earning us the distinction of being a certified Therma Tru Design Gallery. With an extensive collection of Therma-Tru premium products and knowledgeable design staff to help you, we are your destination for creating the entryway of your dreams.

When you visit our showroom, be sure to check out the new interactive glass display. By accessing the convenient touch sensitive pad, you can select from a wide variety of glass styles and see a high resolution image displayed in the door itself, allowing you to see first hand what it would look like in your door. We are one of only a few dealers with this display.

For more information, visit

Therma Tru App

The DoorWays™ App from Therma-Tru.

The DoorWays App is a quick, easy-to-use tool that helps you design and visualize the perfect entrance for your home.

The simple interface of the DoorWays App allows you to:

  • Choose from a wide selection of door and glass combinations to create entrances that fit your unique style.
  • Save multiple door options with product information automatically included for easy lookup.
  • Share your favorite looks with friends via email, text and Facebook.
  • Use the camera to try out different door and glass combinations on your own home.
  • Save photos to your camera roll to use and share later.
  • Locate a dealer to help bring your vision to life.

Download the DoorWays App today and open the door to new possibilities.

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