GapFix™ ADA & Fire-Rated Commercial Door Threshold (Heavy Duty) - 5" x 1/2" x 144", Mill Finish Aluminum, UL Listed, ANSI/BHMA A156.21 (10,000 lb Load Test), Made in USA (7 Day Production Time)

Barrier-Free 1/2" Saddle Threshold for Commercial & Fire-Rated Openings - Built for Forklift & Heavy Traffic

The GapFix™ 5" x 1/2" x 144" Commercial Door Threshold in Mill Finish Aluminum is engineered for commercial openings requiring ADA accessibility, fire door compliance, and extreme-duty performance in high-abuse environments.

With a 5" profile width, 1/2" ADA-compliant height, heavy-duty .244" wall thickness, and a 10,000 lb load rating, this threshold is built forforklift traffic, pallet jacks, heavy carts, and delivery doorways where structural integrity matters.

Recommended for delivery and storage openings where repeated heavy rolling loads occur.

Made in USA and manufactured per order (7 Day Production Time).

Hole Configuration Options

Choose the configuration that best fits your installation requirements:

• Pre-Punched Holes: Evenly spaced factory-punched mounting holes for fast, consistent installation.
• No Pre-Punched Holes: Clean profile for field drilling, custom anchor placement, or architectural specification.

Pre-punched thresholds are ideal for standard installations. Non-punched thresholds are often specified when heavy-duty anchoring or custom layouts are required.

Certifications & Compliance

• ADA Compliant: Meets ADA Standards for Accessible Design
• ICC/ANSI A117.1: Accessible and Usable Buildings and Facilities
• UL Positive Pressure Certified: ANSI/UL10C
• Fire Door Certified: CAN/ULC-S104 and ANSI/UL10B
• Complies with NFPA 80 & NFPA 252
• ANSI/BHMA A156.21 Heavy Duty Certified: 10,000 lb load test
• Listed in the BHMA Certified Products Directory

Approved for use with Hollow Metal fire doors rated up to 3 hours and Wood fire doors rated up to 90 minutes.

Product Specifications

• Brand: GapFix™
• Material: 6063 Aluminum
• Finish: Mill Finish Aluminum
• Length: 144"
• Profile Width: 5"
• Height: 1/2"
• Wall Thickness: .244"
• Load Rating: Heavy Duty - Up to 10,000 lbs
• Recommended Use: Forklift, pallet jack, heavy cart, delivery/storage doorways
• Country of Origin: Made in USA

Includes

• 1 Each 144" GapFix™ 5" x 1/2" Saddle Threshold (Heavy Duty)
• #10 x 1-1/2" Flat Head (FH) Zinc Plated Wood Screws (when pre-punched option is selected)

For concrete slab installations, appropriate masonry anchors should be used. For heavy-duty traffic openings, proper anchoring and full-length sealant coverage are strongly recommended.

Installation Resources

📘 View Step-by-Step Commercial Threshold Installation Article

📄 Download Threshold Installation PDF

Watch Installation Videos

Why Choose GapFix™?

• Commercial-grade .244" wall thickness construction
• ADA compliant 1/2" barrier-free profile
• UL certified for fire-rated applications
• ANSI/BHMA A156.21 Heavy Duty Certified - 10,000 lb load test
• Engineered for forklift and heavy rolling loads
• Made in USA - manufactured per order
• Available with or without pre-punched mounting holes

GapFix™ — Fix the Opening, Not Just the Hardware.