M-D Building Products 67106 36 in Mill Aluminum Snap-on Sill Threshold Extender

Overview: M-D 67106 36 in Mill Aluminum Snap-on Sill Threshold Extender

When doors rely on a low-sitting threshold, a quick upgrade can improve clearance and comfort. The 67106 extender from M-D Building Products is a 36-inch strip of mill-finish aluminum that snaps onto inswing sill thresholds, adding height without bulky hardware or complex install steps.

Crafted from sturdy aluminum, this extender maintains a slim profile while providing durable support that can handle regular foot traffic. The mill finish blends with many thresholds for a clean, low-profile look, and the 2 inch width with a 7/16 inch height gives a balanced, unobtrusive presence along the door opening.

Key benefits

• Rugged aluminum construction stands up to daily use while maintaining a light footprint.
• Extends inswing sill thresholds to improve clearance and close gaps along openings.
• Snap-on design locks into existing grooves on qualifying M-D sill thresholds for a tool-free install.
• Measured at 36 inches, with the option to cut to length using a hacksaw for a custom fit.
• Finish is a natural mill aluminum look that blends with many threshold types.

Installation notes and compatibility

Install in seconds by snapping the extender into the grooves of compatible M-D thresholds. For best results, verify compatibility with models listed by M-D Building Products.

• Compatible MD thresholds include 78691, 76265, 77792, 78600, and 78634.
• 2 in width, 7/16 in height, 36 in length; easily trimmed to fit non-standard openings with a hacksaw.

Specs at a glance

• Length: 36 in
• Width: 2 in
• Height: 7/16 in
• Finish: mill aluminum
• Installation: snap-on into grooves on MD thresholds
• Compatibility: MD items 78691, 76265, 77792, 78600, 78634

Note: This extender is designed to be installed onto MD threshold products, offering a straightforward way to adjust door openings without altering the door or frame. You can cut to length and install with basic tools, maintaining a clean, professional look.