Fiberglass Windows


We at J & M Glass Co., Inc. are proud to bring you the latest in window and door technologies. With the addition of FiberGlass and Oak Veneer FiberGlass windows and doors combined with our Vinyl and Hybrid Aluminum we bring you the most complete line of fenestration products available in the Dallas / Fort Worth area. It doesn’t matter if your style is Old Craftsman, European, Modern or Colonial we can meet your design needs with our FiberGlass windows by In-Line.

Why FiberGlass – Pultrusion???

  • Quality
  • Beauty
  • Strength
  • Design
  • Function
  • Endless Color Palate

The question is why not?



Contact us today at (214) 630-5885 or (817) 731-8886 to learn more about our fiberglass windows or click here for our online form.

Dallas / Fort Worth’s Source for Fiberglass Windows

Thermal Windows is conveniently located in both Dallas and Fort Worth so if you are looking for Fiberglass Windows in Dallas, or Fiberglass Windows in Fort Worth you’ve come to the right place. We are your source for fiberglass replacement windows in the DFW Metroplex. We service the following cities across Dallas / Fort Worth:

Addison, Aledo, Allen, Argyle, Arlington, Aubrey, Bedford, Blue Mound, Carrollton, Celeste, Colleyville, Coppell, Corinth, Crossroads, Dallas, Denton, Desoto, Double Oak, Duncanville, Euless, Everman, Farmers Branch, Flower Mound, Forest Hill, Fort Worth, Ft. Worth, Frisco, Garland, Glenrose, Granbury, Grand Prairie, Grapevine, Haltom City, Highland Park, Highland Village, Hurst, Irving, Keller, Kennedale, Lake Dallas, Lake Worth, Lantana, Las Colinas, Lewisville, Mansfield, McKinney, Mesquite, North Richland Hills, Pantego, Pilot Point, Plano, Prosper, Red Oak, Richardson, Richland Hills, Roanoke, Rockwall, Rowlett, Saginaw, Sanger, Sherman, SouthLake, Terrell, The Colony, Trophy Club, University Park, Watauga, Weatherford, WestLake, Westworth, TX

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