Strength. Style. Performance.

The Signature Vinyl Window is engineered for superior structural integrity, contemporary design, and outstanding energy efficiency—purpose-built to exceed today’s residential construction standards.

Casa Bella Windows & Doors is a division of the ALPA Lumber Group. For over 75 years, we have been providing homeowners and builders with high-performing products backed by quality workmanship.

  • 100% Canadian owned and operated
  • Extrude our profiles
  • Free in-home consultation
  • Design all of our windows
  • Manufactured in-house

Key Features

Enhanced Frame Design

  • 4 1/4” Deep Profile for increased rigidity and durability

  • Thicker Vinyl Construction throughout the profile for added strength and structural stability
  • Fusion-welded frame and sash

  • Multi-hollow chamber design improves insulation, drainage and strength

  • Fade-resistant vinyl
  • Super Spacer™ warm edge glass spacer

  • Multi-point locks

  • Folding nested hardware
  • Corrosion-resistant screens

Smooth Operation & Modern Style

  • Dual-Arm Operating System on windows over 24” and Dyad Arm on windows under 24” ensures smooth, balanced, long-term performance. Contemporary Lock & Nested Handle delivers a clean, modern appearance

Available Standard Colors.

Advanced Glazing & Energy Performance

  • Dual-glazed compliant with the Ontario Building Code
  • Triple-Glazing Capable for improved thermal comfort & overall building envelope performance – Exceeds Energy Star® Requirements for improved efficiency and comfort (Triple glazing only)

Additional Options

  • Various grille and glass options
  • Brickmould
  • Custom Colours

Certification & Compliance

  • Intertek Certified to CSA Standards
  • Designed and tested for Canadian climates

Certification & Compliance

  • Stronger frame construction
  • Contemporary, clean-lined aesthetics
  • Flexible glazing options
  • Proven energy performance
  • Built to exceed Canadian standards

For specifications, pricing, or availability, contact your Casa Bella Windows representative