Endura Aluminum Z-Articulating Cap Sill™ and Sealing System

The revolutionary Endura Z-Articulating Cap Sill™ and Sealing System features a comprehensive door sill that combines ingenuity and durability to seal your entry way door. The system offers a sill cap that never needs adjusting, integrates end-sealing abilities to account for real-world problems and a caulk-free application, providing you with an unmatched experience with your door.

The Aluminum Z-Articulating Cap Sill™ and Sealing System flaunts perfect performance in high-heat markets and stops leaks and air infiltration by self-adjusting within the door unit, ultimately saving you time and money. Imperfect margins and surfaces that are not level don’t stand a chance!

Endura Aluminum Z-Articulating Cap Sill™ and Sealing System is the ultimate component and features protection and performance like no other, especially in extreme climate markets.

*While we know it’s fun to door-it-yourself, we recommend hiring a professional to replace your sill system. This product is recommended for uninstalled doors and professional use only. 

This product does not qualify for expedited shipping.


Starting at: $60.00

Product Options


Return Policy: 60 Days

Starting at: $60.00

Product Overview


• This product qualifies for $4.99 Standard Shipping to the contiguous 48 states

• Innovative and Intuitive – the self-adjusting cap eliminates the need to adjust your sill
• High-Heat Durability – Full aluminum composition ideal for high heat climates
• Stops leaks and air infiltration, keeping the inside of your home protected
• Saves time and money by eliminating real-world problems and common homeowner issues
• Available in a variety of length and finish options
• This sill will only function properly in conjunction with a Z-Articulating Cap Sill™ Door Bottom

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