Your Choice for Windows, Doors & So Much More!

Infinity Windows & Patio Doors in Kalamazoo, Grand Rapids, Battle Creek and West Michigan

Attractive, durable, low-maintenance and professionally installed.

Infinity® replacement windows and doors are made from Ultrex fiberglass, a pultruded fiberglass material so strong and durable it is superior to other window brands.

Infinity Ultrex fiberglass replacement windows and patio doors are designed to replicate the look of traditional wood windows while providing modern features and low-maintenance, yet long-lasting performance.

Advantages of Ultrex fiberglass

  • Low maintenance
  • Base material is silica sand — an abundant natural resource
  • Intricate profiles replicate the look of traditional wood windows
  • Low expansion provides easy operation for the life of the window
  • Strength keeps windows square and true
  • Narrow profiles allow for more visible glass area and expanded views
  • Long-term stability reduces the risk of seal failures and air leakage through the window
  • Patented, mechanically bonded inline acrylic finish is up to 3x thicker than competitive finishes, providing superior resistance to discoloring, scratching, and denting

Products Available:

  • Double-Hung Windows
  • Casement Windows
  • Gliders
  • Sliding Patio Doors
  • Swing-in French Doors
  • Bay & Bow Windows


Mezzo—Fully fusion-welded frame and sash corners create superior strength and a clean, low-profile look.
Mezzo—Dual-pane, double-strength glass increases strength, durability and insulation.
Mezzo—Airtight insulating chambers enhance thermal performance and durability.
Mezzo—Hidden screen track creates a clean-line design for enhanced visual appeal. Half-screens std.; full-screens opt'l.
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Financing by GE Capital

Angies' List Super Saver Award

EPA Lead-Safe Certified Firm

Please Review Us

"We had BlackBerry Systems install replacement windows for our home. Delivery of the windows was right on time; and the installation crew was courteous and clean. Within two days we had new windows installed in our home for a very competitive price and the quality we wanted! No more drafts and our energy bills have been reduced. Thank you!"
— Ven & Kathy McAndrew