Adjustable Threshold 36 in. Aluminum

Keep your home comfortable and protected year-round with this heavy-duty, adjustable door threshold. Crafted from durable extruded aluminum and reinforced with a composite thermal-break, it seals uneven gaps under doors to block drafts, moisture, dust and insects. The innovative thermal-break barrier on the interior face prevents temperature transfer, reducing frost buildup and enhancing energy efficiency in both hot and cold climates. Whether you’re installing a new door or replacing an old threshold, this unit is easily cut to size and comes complete with all mounting hardware for a fast, secure fit.

Key Features

• Adjustable riser seals uneven gaps beneath the door, accommodating heights from 1 ³⁄₈″ to 1 ⁵⁄₈″
• Thermal-break construction prevents frost buildup and inhibits heat transfer
• Durable aluminum profile resists corrosion and everyday wear
• Easily trim-to-fit design—cuts cleanly with a standard hacksaw
• Includes all installation screws; pairs perfectly with a door sweep or under-door seal for maximum weatherproofing

⚠️ 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.