Aluminum Door Threshold Extension – 32", 36", 48", 60" & 72" Lengths | 3/4", 2" & 3" Widths | Black or Silver

Full Product Description

Upgrade or extend an existing doorway threshold with a durable Aluminum Door Threshold Extension designed to provide additional width, better coverage, and a clean finished transition.

Available in 32", 36", 48", 60", and 72" lengths, this threshold extender gives you greater flexibility for different door openings and installation requirements. Choose from 3/4", 2", or 3" widths to match the amount of extension needed.

For the right finished look, the threshold extension is available in Black Anodized Finish or Silver Aluminum Finish, making it easy to coordinate with your existing threshold, door frame, and surrounding hardware.

Built from durable aluminum, this extension is suitable for both residential and commercial door applications and is designed for dependable everyday use.

Available Sizes & Finishes

• Lengths: 32", 36", 48", 60" and 72"
• Widths: 3/4", 2" and 3"
• Finishes: Black Anodized and Silver
• Material: Aluminum

Key Features

Extends Existing Door Thresholds
Designed to add extra width to an existing threshold, helping create a wider and more complete doorway transition.

Multiple Length & Width Options
With five available lengths and three width choices, you can select the combination that best fits your doorway and project.

Durable Aluminum Construction
Made for dependable performance in residential and commercial applications while maintaining a clean, professional appearance.

Black or Silver Finish
Choose Black Anodized for a modern darker appearance or Silver for a traditional aluminum finish.

Clean, Low-Profile Design
The streamlined shape integrates neatly with the existing threshold without creating an oversized or bulky appearance.

Ideal for Replacement & Retrofit Projects
A practical solution when an existing threshold does not provide enough coverage or when additional extension is required during a door installation or renovation.

CTA

Choose Your Length, Width & Finish Above

Select the length, width, and Black or Silver finish that fits your doorway, then add your threshold extension to the cart.

Need help choosing the correct size? Contact KC Hardware — we’ll help you find the right threshold extension for your project.

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