Endura ADAptive Sill Extender

Starting at: $30.00

NOTE: We are experiencing longer lead times due to a global supply chain shortage. The Endura ADAptive Sill Extender in Bronze is currently out of stock due to this shortage. If you have any questions, please email support@betterdoor.com.

Endura’s ADA Sill Extenders provide more widths/options from fewer SKUs with the first and only ADA-compliant sills on the market that are compatible
with sill extenders. 4-9/16", 5" and 5-⅝" sill widths are compatible with both 2" and 3" extenders, expanding on ADAptive’s baseline offering and delivering widths ranging from 6-9/16" and 8-⅝".

Free Shipping
Single Door
Unlimited Cut Down
Can be ordered Inswing or Outswing
Return Eligible

Product Options


Starting at: $30.00

Product Overview


Other ADA sills cannot compete with Endura. Endura ADA Sills provide optimum features and performance in many ADA applications.

The modular design and all-aluminum construction simplifies the way we think of ADA compliant door systems, making application and operation easy.

Without compromising ease-of-use, the patented dam feature provides the most effective method for preventing air and water infiltration, allowing the inside of your home to remain protected from outside elements.

What does it do?
The 2″ or  3″ extender offers more width options, expanding on ADAptive’s baseline offering and delivering widths ranging from 6-9/16″ and 8-⅝”.
This product qualifies for $4.99 Standard Shipping to the contiguous 48 states

Product details:
– All-aluminum construction available in mill or bronze finish
– Provides more width options for the 4-9/16″, 5″, and 5-5/8″ ADA sills
– Endura Part Number: EXTADA___


What’s included:

  • (1) 36” or 72” ADA Sill Extender

Where does it go?

  • The extender attaches to the front of the 4-9/16″, 5″, or 5-5/8″ sill.

What does it do?

  • Extends the width of your ADAptive sill to expand on the baseline offering and deliver widths ranging from 6-9/16″ to 8-5/8″.

Product details:

  • Made of durable aluminum
  • Endura Part Numbers: ADAPEXT_____


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