Thermoplast 4000 Series

Royal’s 4000 Series window system is a state-of-the-art product specially designed for the high quality remodeling market. Innovation, experience and conscientiousness reflect the state of mind of our designers when developing this Series. A 3 ¼’’ window family featuring performance, sturdiness and good taste is the foundation for the Royal Guard Impact Series making it strong and durable.

Manufactured in: Laval, QC

Visit Microsite


Thermoplast 4000 Series #1
Thermoplast 4000 Series #2
Thermoplast 4000 Series #4
Thermoplast 4000 Series #7
Thermoplast 4000 Series #6

Features & Benefits

  • The 4000 Series is fully welded with a 3 ¼’’ PVC frame.
  • Fully welded PVC sash with ¾’’ or 7/8’’ double glazing IG.
  • Energy efficient window with a triple weatherstrip all around the sashes and double at meeting rail.
  • The Hung window has a tilting sash(es) for easy cleaning.
  • This series is offered with a 7/16’’ full or half interior screen.
  • Efficient sloped draining system.
  • Fully compatible window series
  • Same beautiful look, accessories and options for any types of windows.
  • Weathertightness
  • Energy efficient, ENERGY STAR® qualified
  • Ease of fabrication
  • Surdiness
  • Easier cleaning (hung window systems)

Options & Colors

  • White, Beige
  • Painted colours available using the Royal Bond™ Spectracoat™ Technology.


  • Bay/ Bow connectors.
  • Various trims and accessories.
  • Rigid PVC brickmolds.
  • J channel.
  • Nailing flanges.
  • Interior dry wall returns.
  • Head extender/ sill angle.
  • Structural mullion options.
  • Removable or integrated rigid PVC grilles.


ModelsAir TightnessWater ResistenceWindload ResistenceForced Entry
4000 Double HungA3B4 (B5)C3F2
4200 Single HungA3B7C4F2
4300 Single HungA3B4C4F2
4500 Casement / AwningA3B7C5F2



  • Capabilities
    Find out why industry leading window & door fabricators use Royal Profiles.
  • Why Vinyl?
    Information on why vinyl is the best choice for window & door applications.
  • Homeowner Tools
    Click here to access both our Virtual Remodeler and Energy Saver Calculator.