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5Y Sill with ImperiSeal™
Achieve superior results with the residential door 5Y Sill with ImperiSeal™. ImperiSeal™ technology is a continuous filament that positively seals the adjusting rail to the deck of the sill, thus eliminating any chance of water intrusion through the exterior door threshold. The 5Y Sill carries numerous independently verified third-party air and water infiltration certifications, including ratings in excess of DP50.
Technical data
- With precision-engineered rails, the 5Y Sill with ImperiSeal adjusts upward and downward using flush screws, while the rail interlocks with a high-dam aluminum sill
- Uses a counter-beveled screw-and-thread bar system for easy adjustments using a common No. 2 or 3 Phillips-head screwdriver for the life of the product.
- Get increased protection in outswing configurations with bumpers that provide a secure seal, resist environmental stresses and prevent moisture penetration. Astragal conversion kits also available.
Benefits
- Cellular PVC rail in the 5Y Sill with ImperiSeal is extremely resilient to long-term exposure to temperature changes, wind and snow loads
- This exterior door threshold provides the appearance of natural wood, but retains its color long term like a composite
- Reduces maintenance with no staining or painting required
- Streamlines inventory control with modular design that enables user to stock fewer parts
performance
- The 5Y Sill with ImperiSeal™ meets all building code requirements for entry doors
- Tile-back option allows sill to sit flush with tile flooring with available integrated gasket
- Surpasses all AAMA minimum Gateway requirements
- Carries numerous third party air and water infiltration certifications well in excess of PG50
Want more information?
Door Threshold Product Literature
This page was last updated on June 29, 2025. Downloaded document versions may differ. Please check the individual documents for most current version.