Threshold 4" x 36" Mill Finish Door Threshold

Upgrade your entryway with this heavy-duty aluminum threshold designed to seal gaps beneath doors while providing a sleek mill finish appearance. Crafted for both commercial and residential applications, this 4"-wide by 36"-long threshold offers exceptional durability and reliable performance. Its fluted top profile delivers slip-resistant traction, while its low-profile ½" height ensures smooth transitions for foot traffic and wheelchair access. UL-listed and fire-rated, it meets or exceeds ADA requirements, making it an ideal choice for environments that demand safety, accessibility, and style.

Whether you’re installing it under an exterior door to block drafts, moisture, dust, and insects, or fitting it beneath an interior fire-rated door, this aluminum threshold provides a practical, long-lasting solution. All necessary fasteners are included for quick, hassle-free installation, and the threshold can be easily trimmed to fit non-standard openings with a simple hacksaw cut.

Key Features

• Heavy-duty aluminum construction for long-term durability
• Mill finish surface complements modern and traditional décors
• Fluted, slip-resistant top for enhanced safety
• Low ½" profile ensures seamless transition and ADA compliance
• UL-listed fire rating for use with fire-rated doors
• Includes all installation fasteners; can be cut to custom lengths

⚠️ WARNING: This product can expose you to Lead known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.