Sliding Patio Door Vinyl

chicago vinyl patio door replacement

For lasting strength, beauty and efficiency in an affordable door system. Semko has a great variety of vinyl replacement patio doors.

Patio doors improve both the appearance and the function of your home.  Excellent in summer to open up your house, but with the new thermal glass technology your house remains insulated during those cold Chicago winters.  Our doors feature a triple locking system for maximum security and peace of mind.  1" insulated glass saves you money, and keeps your family safer.  We are so sure our patio door will perfrom to your satisfaction, that it is warrantied for life.

Designer Series®


  • Exclusive between-the-glass, blinds, shades and grilles.
  • Traditional or Contemporary styling.
  • Window fashions protect from dust and damage – reducing indoor allergens compared to roomside blinds and shades.
  • Available with Pella® Insynctive® technology.
  • 53% – 74% more energy efficient than single-pane windows.

Pella® 450 Series

  • Pella's most popular styles, sizes, features, and options.
  • Contemporary door styling.
  • Three distinctive grille types for the look of individual windowpanes.
  • Pella wood craftsmanship at a competitive price.
  • Exceptional energy efficiency.