PO Box 447
Hollidaysburg, PA 16648
(814) 317-4077   1-800-807-7006
Premium Vinyl Windows and Patio Doors

About Us

Seven D Industries L.P. is a premier manufacturer of premium vinyl replacement and new construction windows, patio doors and architectural shapes. Our window products are designed and manufactured with the latest technology by skilled craftsmen to enhance your home with energy efficient comfort, lasting beauty and resilience.

We are a manufacturer of the following vinyl window and patio door products:

  • Vinyl replacement windows and new construction windows in a variety of styles such as double hung, single hung, picture window, transom, casement, awning, basement hopper, slider and garden window styles.
  • Patio doors in both pre-assembled styles and knock down styles.
  • Specialty series windows and architectural shapes such as operable octagons, hexagons, pentagons, triangles, trapezoids, ovals, circles, transoms, half rounds (circle tops), ellipses, eyebrows, and many other custom shapes - including some with operating sashes and extended leg options.
  • Other products are available upon request.

Our products have convenient features such as low profile tilt latches, lift rails and easy tilt-in hardware which make Seven D Windows not only easy to operate and clean, but also add to the beauty and integrity of the unit. Being constructed of quality vinyl, Seven D Windows and patio door products are virtually maintenance free.

Options include Low-E/Argon filled glass units that qualify Seven D windows for the ENERGY STARĀ® label. Optional features include internal, between-the-glass grids, tinted and obscure glass, and oak and cherry vinyl laminate wood interior available with select series.

Choose vinyl new construction or replacement windows and patio doors from Seven D Industries, LP. You'll discover what Seven D vinyl windows can mean to you and your home's beauty, weatherability and cost efficiency.