M-D Building Products 36 in. x 3-3/4 in. Aluminum Low Threshold

The M-D Building Products 36 in. x 3-3/4 in. Aluminum Low Threshold is designed to seal doorways against drafts, moisture, dust, and insects. Engineered from heavy extruded aluminum, this deluxe threshold offers exceptional strength and long-lasting durability for exterior entryway applications. Equipped with a replaceable vinyl insert and integrated vinyl caulking feet, this low threshold creates a tight weather-resistant seal along the floor. It helps improve home energy efficiency and protects against outdoor elements in both residential and commercial installations.