Therma-Tru® Doors

Therma-Tru® Doors are #1 among Building Pros because it’s a brand you can trust. Behind every Therma-Tru door stands decades of experience and technical know-how. From the glass to the hinges count on durability and reliability through the years.

Parksite’s Advanced Therma-Tru® Onsite Door Production Facilities in Fargo and Lakeland offer:

  • Quick turnaround times on assembled and pre-finished doors
  • Highly knowledgeable customer service and sales associates dedicated to helping with selection, order placement, technical, and training support
  • WebCP Online Door Quote and Order Program, a full quoting, configuration, and ordering experience exclusively for doors built by Parksite with 24/7 online access
  • Best-in-class operations and logistics teams ensure quality is delivered
  • A transportation fleet that is dedicated to providing what you need, when you need it, shipped complete, and on time

See our production facilities in action:


Parksite therma-tru advanced onsite door production facility fargo

Parksite onsite door production facility in Fargo, ND

Fargo Door Production Facility Video 

Parksite Therma-Tru advanced onsite door production facility in Lakeland FL

Parksite onsite door production facility in Lakeland, FL

Lakeland Door Production Facility Video 


  • Components are engineered to work together
  • Fiberglass doors won’t dent, ding, rust, split, crack or rot
  • Parksite’s pre-finishing facility uses PrismaGuard™ finishes
  • Thousands of door styles to choose from
  • Wide array of glass designs and exclusive glass options
  • 80% of door and glass options are ENERGY STAR® qualified