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

The M-D Building Products 3-3/4 in. x 36 in. Aluminum High Threshold provides reliable protection against drafts, moisture, dust, and insects. Built with premium heavy-duty aluminum, this threshold is engineered for long-lasting durability in high-traffic residential and commercial entryways. Featuring a replaceable vinyl insert held securely by a steel retainer, this threshold prevents shifting or dislodging during everyday use. Integrated vinyl caulking feet seal the bottom of the threshold for enhanced weather resistance and energy efficiency.