NFPA 80 is a comprehensive standard that sets the minimum requirements for fire doors and other protective openings in buildings. It covers various aspects of fire door installation, from material specifications to inspection protocols, ensuring that these critical components function effectively in the event of a fire.
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The primary goal of NFPA 80 is to safeguard lives and property by providing a framework for the proper installation, inspection, and maintenance of fire doors. By adhering to these guidelines, buildings are better equipped to contain fires and prevent the spread of smoke and flames.
Requirements for Materials
NFPA 80 stipulates that fire doors must be constructed from materials capable of withstanding fire conditions. Steel, wood, and aluminum are commonly used, each offering unique benefits in terms of fire resistance and functionality. Among various options, stainless steel stands out as an ideal material. Its high melting point, strength, and corrosion resistance make it a superior choice for fire door applications. Stainless steel fire door closers are particularly effective in maintaining their structural integrity under extreme heat, a key factor in preventing the spread of fire and smoke.
Waterson stainless steel fire door hinges
Basic Criteria for Fire Door Assembly Inspection with Door Closers
- Self-Closing Mechanisms: Ensure door closers or spring hinges are in place and operational, guaranteeing their durability and reliability for self-closing functionality.
- Operational Check for Efficiency: Assess the door closer’s performance in conjunction with the door and frame. They should provide a smooth and controlled closing action, critical for maintaining fire door integrity
- Component Inspection: Confirming no missing or broken parts, with immediate repair or replacement if needed.
- Clearance Measurement: Measure door clearances to ensure they fall within NFPA 80 specified limits, typically no more than 3/4 inch at the bottom and 1/8 inch around the remaining sides.
- Latching Mechanism Verification: The door closer must exert sufficient force to engage the latch, ensuring the door stays closed and latched during a fire, which is critical for compartmentalization and preventing the spread of fire and smoke.
To read more information about NFPA 80 – Fire Door, click here.
NFPA 80 Compliance with Stainless Steel Self-Closing Hinges
Waterson stainless steel self-closing fire-rated hinges are tested for one million cycles, demonstrating robust durability and reliable self-closing functionality, essential for fire safety. These hinges efficiently close doors from a 90-degree open position, complying with ANSI/BHMA A156.17 standards, which ensures their suitability for high-traffic and diverse door applications.
The adjustable spring tension is tailored for doors weighing between 150 to 330 lbs with three hinges and up to 440 lbs with four hinges, ensuring smooth operation. Additionally, Waterson fire-rated door hinges adhere to NFPA 80 clearances, maintaining less than 3/4 inch at the bottom and 1/8 inch on the other sides. They also ensure doors remain securely latched in closed positions, vital for fire-rated door integrity.
Waterson Heavy Duty Stainless Steel Door Hinges
Waterson Closer Hinges combine an overhead closer and hinge into one attractive component with optional hold-open and door stop features. Waterson hinges are ideal for commercial openings, gates, and glass doors. These closer hinges are easily installed and adjusted to comply with ADA & ICC A117.1 requirements for opening force and to assure quiet, secure closing. Made with stainless steel, Waterson closer hinges meet NFPA 80 and are UL 3-hour fire-rated, as well as being one of the best door hinges for both interior and all-weather exterior openings. See all our features.
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