Adjustable Composite Inswing Sill Threshold

Imperial 5Y Adjustable Sill by Quanex

• Available Sizes and Finishes:
  • 4-9/16″ x 32″, Mill Finish
  • 4-9/16″ x 36″, Mill Finish
  • 4-9/16″ x 72″, Mill Finish
  • 4-9/16″ x 32″, Bronze Finish
  • 4-9/16″ x 36″, Bronze Finish
  • 4-9/16″ x 72″, Bronze Finish
• Superior Performance and Design: Known as one of the highest quality thresholds available, the Imperial 5Y Threshold by Quanex combines durability with advanced protection features, ideal for wood, steel, or fiberglass doors.
• Flexible Base Options: Choose between a robust, full-width solid extruded base for maximum strength or a cost-effective half-width base for budget-friendly installations.
• Exclusive ImperiSEAL Technology: The patented ImperiSEAL forms a continuous filament seal between the adjustable rail and the sill deck, eliminating the possibility of water intrusion for lasting performance.
• Certified for Exceptional Weather Resistance: The 5Y series boasts third-party air and water infiltration ratings that surpass DP50, providing reliable protection even in extreme conditions.
• Innovative Rail Design: With a “tucked” rail and ImperiSEAL, the 5Y Threshold creates a seamless exposure surface, enhancing durability and eliminating the need for additional sill pans.

The Imperial 5Y Adjustable Sill by Quanex is a top-tier choice for entryway installations, delivering unmatched water protection, flexible size and finish options, and certifications that meet or exceed industry standards.