Endura Aluminum RDS Z-Articulating Cap Sill™ and Sealing System

Starting at: $75.00

Z-Series Door Sills are simply the best sills on the market. The Z-Series uses a patented design of all synthetic components that eliminates the worries of wood substrate sills.

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Single Door
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Starting at: $75.00

Product Overview


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.


What’s included:

  • (1) 36.5” or 74.25” Sill

Where does it go?

  • This system is located directly under the door panel, and fastened to the two side jambs.

What does it do?

  • Sill cap with integrated seal overlaps the front of the aluminum sill dam to provide a barrier against air and moisture and protect the channel from dirt and debris
  • Sill cap plugs hide cap adjustment screws and keep water and dirt away, maintaining adjustability over time
  • Continuous substrate surface that can be cut down to meet your opening

Product details:

  • Aluminum construction prevents warping in high-heat environments
  • Endura Part Number: ZAILAA___


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