Pemko 252 Series Half Threshold 2" Wide 1/2" Rise ADA Compliant Aluminum Commercial Door Threshold

Pemko 252 Series Half Threshold — 2" Wide, 1/2" Rise, ADA Compliant

The Pemko 252 Series Half Threshold is a commercial-grade floor transition designed to eliminate tripping hazards at floor offsets. At 2" wide and 1/2" high, it meets ADA requirements for changes in level and is UL 10C positive-pressure listed — making it a code-compliant choice for rated door assemblies in offices, schools, healthcare facilities, and multi-family properties. Available in Mill Finish Aluminum and Dark Bronze Anodized Aluminum, with custom lengths cut from 24" to 185".

Key Features

• ADA Compliant: 1/2" rise meets ANSI/BHMA A117.1 accessibility requirements when properly installed.
• UL Listed: UL 10C positive pressure and UL 4L10 listed; meets ANSI/BHMA A156.21 threshold standards.
• Custom Lengths: Cut to order from 24" minimum to 185" maximum — fits standard and oversized openings without field cutting waste.
• Aluminum Construction: Integrated channel accepts thermal keys for enhanced thermal performance at the door sill.
• Combinable Design: Can be paired with other Pemko half saddles to build up custom height or width configurations.
• Standard Fasteners Included: Ships with #10 × 1-1/2" wood screws; alternative fasteners available for concrete and hollow metal substrates.

Technical Specifications

• Series: 252
• Width: 2"
• Height: 1/2"
• Available Lengths: 24" – 185" (custom cut)
• Available Finishes: Mill Finish Aluminum (252A), Dark Bronze Anodized Aluminum (252D)
• Material: Aluminum
• Certifications: UL 10C, UL 4L10, ANSI/BHMA A156.21, ANSI/BHMA A117.1 (ADA)

Typical Applications

• Commercial office buildings and tenant suites
• K–12 schools and higher education facilities
• Hospitals, clinics, and long-term care facilities
• Retail storefronts and restaurants
• Government and municipal buildings
• Multi-family and mixed-use residential properties
• Industrial and warehouse entry points