Adjustable Inswing Sill Threshold

Imperial 5Y Adjustable Threshold by Quanex

• Available Sizes:
  • 4-9/16″ x 30″ (2-6 door width), Mill Finish
  • 4-9/16″ x 120″, Mill Finish
  • 4-9/16″ x 30″, Bronze Finish
• Top-Tier Performance and Quality: The Imperial 5Y Threshold is celebrated as one of the highest quality, best-performing thresholds available, delivering exceptional durability and resilience against the elements.
• Versatile Base Options: Choose between a full, solid extruded base for maximum stability or a cost-effective half-width base for budget-friendly installations.
• Patented ImperiSEAL Technology: Featuring Quanex’s exclusive ImperiSEAL, this threshold includes a continuous filament that securely seals the adjustable rail to the sill deck, effectively blocking any potential water intrusion.
• Exceptional Weather Certifications: With third-party air and water infiltration ratings exceeding DP50, the “Y” series thresholds offer proven weather resistance for long-term protection.
• Innovative Rail Design: The tucked rail design and ImperiSEAL create a seamless, single exposure surface, eliminating the need for additional sill pans and enhancing both performance and aesthetics.

The Imperial 5Y Adjustable Threshold by Quanex combines premium construction, customizable options, and advanced sealing technology, making it an ideal choice for any high-performance door installation.