36 in. Mill Aluminum Snap-on Sill Threshold Extender

36-Inch Aluminum Snap-On Sill Threshold Extender for Inswing Doors
✔️ 2 in W x 7/16 in H x 36 in L; mill color; single piece; snap grooves

This durable aluminum threshold extender is designed to extend inswing sill thresholds for doors, providing a secure, weather-tight seal and a neat finish. It installs quickly by snapping into existing grooves in M-D sill thresholds and can be cut to length with a hacksaw for a precise fit. Ideal for replacing worn thresholds and bridging gaps where standard thresholds leave a draft.

✅ 2 in W x 7/16 in H x 36 in L
✅ mill color
✅ single piece design
✅ snap-in fit into M-D sill threshold grooves
✅ cuts to length with hacksaw for a custom fit

💡 What is a threshold extender used for in doors?

This handy accessory bridges gaps on inswing thresholds, improving fit and energy efficiency. - gap filling for inswing thresholds - seals drafts and improves energy efficiency - cuts to length with a hacksaw for a custom fit - snap-in design works with M-D sill thresholds