Description

Pemko 223_NB U-Shaped Door Shoe with Nylon Brush Insert

The Pemko 223_NB U-Shaped Door Shoe with Nylon Brush Insert is engineered to provide controlled airflow beneath doors while minimizing light leakage and maintaining privacy. Constructed with a durable aluminum channel and densely compressed nylon brush (“NB”) insert, this door shoe covers 1.125″ of the door bottom and features an integrated rain drip to deflect water away from the interior.

Tested and approved under UL 10C for fire and ASTM E 283 for airflow, it delivers dependable sealing performance in commercial and institutional environments.

Key Features

• Durable aluminum U-shaped channel
• Nylon Brush (NB) insert with densely compressed filaments
• Covers 1.125″ of the bottom of the door
• Rain drip design deflects water away from the interior
• Slotted holes for easy adjustment
• Recommended gasket compression: 1/16″
• Flexible at high and low temperatures

Nylon Brush Insert Benefits

• Conforms to irregular surfaces such as carpet, stone, and grout lines
• Provides excellent seal against drafts, dust, moisture, insects, fumes, light, and sound
• Reduces infiltration of air, wind, rain, and snow
• Prevents heat loss and helps control smoke and fume penetration
• Naturally repels rodents and spiders; can be treated with household pest repellent for added protection
• Seals effectively with minimal closing force

Specifications

• Base Material: Aluminum
• Fasteners: PHSMS #6 x 5/8″
• Maximum Length: 185″
• Minimum Length: 24″
• Overall Height: 1 11/32″

Certifications & Compliance

• GREENGUARD Gold Certified
• UL 1784 – Air Leakage Tests
• UL 10C – Positive Pressure Fire Tests
• ASTM E 90-2009
• ANSI/BHMA A156.22 – Door Gasketing and Edge Seal Systems

The Pemko 223_NB offers a reliable, fire-rated sealing solution that balances airflow control, weather protection, and privacy—ideal for demanding commercial applications.

Finish Available

• 223ANB – A – Mill Finish Aluminum