Aluminum Threshold, Heavy-Duty Door

Upgrade your doorway with this KC Hardware black aluminum threshold and threshold extender set, built for residential and commercial use. The black finish gives a clean look while the heavy-duty profile helps create a durable transition at the door bottom. It is designed for everyday foot traffic, temperature changes, and water exposure.

• High-quality black aluminum construction for long-lasting use
• Threshold profile shown at 5 5/8" wide with length options of 32", 36", and 48"
• Threshold extender options shown in 36" x 3/4", 36" x 2", 48" x 3/4", and 48" x 2"
• Helps resist water exposure and block draft and moisture where shown
• Built to handle heat and cold changes for indoor or outdoor entry points
• Heavy-duty design made for residential and commercial applications
• Easy installation with simple DIY-friendly replacement or upgrade use
• Ribbed surface profile supports a secure, clean, non-slip style look
• Black finish coordinates with modern door thresholds and extensions

What’s included: 1 selected black threshold or threshold extender variant. Hardware and additional parts are not shown in images.

Choose the size and profile that fits your opening and finish your doorway with a strong, clean transition piece. Need help? Send measurements/photo.