NGP L-A700-BF Aluminum No-Vision Door and Partition Louver | Self-Attaching Vent

The NGP L-A700-BF Aluminum No-Vision Door Louver is a premium architectural ventilation solution designed for both standard commercial doors and toilet partition systems. Featuring an inverted "V" blade design, this louver provides a 55% free area for optimal airflow while ensuring total visual privacy. It is the definitive solution for door restoration in environments where air circulation is required without compromising the security or privacy of the space.

Constructed from .050" extruded aluminum, the L-A700-BF is a critical solution for door security and structural longevity. The self-attaching frame design simplifies installation by eliminated the need for complex mounting hardware, while the mitered corners are internally reinforced with clips for maximum rigidity. This unit is an essential component for any solution for door surface repair, as the overlapping frame provides a clean, professional border that conceals rough cutout edges on 1-3/4" thick doors and partitions.

Key Features & Performance

• No-Vision Privacy Protection: The inverted "V" blade configuration blocks all direct lines of sight, serving as a high-performance solution for door restoration in sensitive areas.
• Extruded Aluminum Durability: Both the frame and blades are made from .050" aluminum, providing a permanent solution for door edge reinforcement that resists rust and corrosion.
  
• Self-Attaching Installation: The frame attaches to itself through the door, acting as a secure and rattle-free solution for commercial door security.
• Versatile Sizing & Finish: Available in fractional sizes and a variety of powder coat finishes including Aluminum Silver (ASL), Dark Bronze (DKB), and Primers (GPZ, BPR) to match any facility aesthetic.
  
• ADA & HVAC Optimized: Maintains a high airflow capacity while providing the low-profile, "non-climbable" design required for modern institutional settings.

Technical Details & Specifications

• Brand: National Guard Products (NGP)
• Model Number: L-A700-BF
• Material: .050" Extruded Aluminum (Frame & Blades)
  
• Free Area: 55%
• Standard Finish: Aluminum Silver (ASL) Powder Coat
  
• Door Thickness: 1-3/4" Standard (Adjustable from 1-3/8" to 2-1/4")
  
• Blade Design: Inverted "V" (No-Vision)
  
• Sizing Requirement: Order size is the cutout size. The unit is manufactured 1/4" undersized to ensure perfect clearance.
  
• Fasteners: Includes #8 x 3/4" Phillips Head SMS and countersunk mounting holes. For high-traffic public restroom partitions, reinforcing the frame with thru bolts or security screws can provide an extra layer of tamper-proof protection.
  

Why Choose the NGP L-A700-BF?

The NGP L-A700-BF is the professional’s choice for versatile ventilation. Whether used in a corridor door or as a partition louver for restroom stalls, its high-strength aluminum construction outperforms lighter-grade alternatives. It offers a permanent and cost-effective solution for door restoration, delivering the industrial-grade reliability and polished, professional look required for schools, hospitals, and municipal office complexes.