Upgrade your exterior door with this Heavy-Duty Adjustable Threshold Extension, engineered for durability and seamless performance. Designed to fit standard 36-inch doorways, this short-width aluminum threshold offers a sleek black finish and a hidden screw design for a clean, professional look.
Adjustable 13/8" to 1 5/8" - 5" slope, non- rot substrate with excellent staple retention, water penetration, and warping properties
Universal Fit: Easily adapts to varying door heights for a tight, weather-resistant seal. Zinc-plated fastener-covered adjustment screws, Fasteners, bolts, nuts, caps, and screws are all included for installation
Low-Profile Design: Ideal for short-width applications without compromising strength. Multiple door configuration, narrow riser with a dual durometer seal that overlaps the high dam profile
Exterior Grade: Built to withstand the elements and reduce drafts, moisture, and pests. Perfect for residential or commercial use, this adjustable threshold enhances energy efficiency while adding a refined finish to your entryway.
Suitable for: Homeowners seeking to enhance energy efficiency and weatherproofing. Businesses need a durable, heavy-duty threshold for commercial. Contractors and builders are seeking a high-quality aluminum threshold.