Entry Doors

Entry Doors Billings MT

Your front door. It’s the first impression. It speaks for your home as a whole. That’s why we offer entry doors that are built to be beautiful and withstand years of use by Therma Tru.

Entry Doors Billings MTBeauty and Performance

  • Won’t dent, rot or rust
  • Wood grain texture available in 5 professionally applied stain or 20 professionally applied paint colors.
  • Smooth surface fiberglass available pre-painted in 20 professionally applied colors.
  • Select different finishes to match your home’s exterior and interior design.

The hinges of the doors are color coordinated with decorative caming. Exterior brickmould is included and won’t swell or wick with moisture. Beautiful glass patterns offer the look of traditional elegance with zinc, patina and brass caming options. Deep embossed panels add curb appeal.

Energy Efficiency

  • Compression weatherstrip seals entryway against moisture and air infiltration.
  • Leak protection pad.
  • Adjustable thermal break threshold to match caming.
  • Insulated polyurethane foam core is CFC-Free and offers superior thermal performance.
  • Heavy duty door sweep creates a tight seal.


  • Triple pane insulated tempered safety glass is energy efficient.
  • High-performance non-yellowing, non-warping door lite frame.
  • Lock block with double bore

All of our fiberglass entry doors are backed by a solid warranty to ensure customer satisfaction for years to come.

Entry Doors Billings MT

The Elite Fiberglass Series is a collection of premium luxury fiberglass doors designed with detailed panels that mirror traditional stile and rail door construction to create crisp shadow lines and heightened curb appeal. Authentic wood grain patterns of Fir, Oak, Mahogany, and Cherry offer the warmth and beauty of real wood with the superior performance and low maintenance features of fiberglass.Entry Doors Billings MT

The Designer Fiberglass Series is our most extensive collection of fiberglass doors offered with a smooth paintable surface or an Oak textured stainable surface. Optionally, you can have the best of both worlds with Oak texture on one side and smooth on the other.

Our Select Fiberglass Series is an entry level collection of fiberglass doors offered in an Oak texture. With a variety of glass styles, panel configurations and sidelites available in each series there is sure to be an option that will complement your home decor.

Fiberglass doors carry a 25 year or lifetime warranty, depending on series, when properly sealed, finished, and maintained. Additionally, many of our fiberglass doors qualify for Energy Star tax credits.