Need extra threshold width for a wider door jamb? These extenders attach to Hartford Building Products' Endura thresholds to accommodate wider door frames.
Purpose: Add threshold width where wider jambs require it.
Application: Exterior doors that swing inward.
Compatibility: Fits only our Endura 5 5/8-inch-wide thresholds.
Before ordering: Confirm that your threshold is an Endura model from Hartford Building Products and measures 5 5/8 inches wide. These extenders are not compatible with other threshold brands or widths.
