I-Joist Floor Assemblies​

Fire protection for first floor wood assembly

Residential homes with I-joist floor construction are required to have fire protection enhancements due to the flammability and the rate at which engineered wood floor systems are consumed when fire is present. When No-Burn Plus is applied to wood I-joists, residential occupants and fire responders are given additional time when it’s most critical and the potential for a first floor failure is lessened.

The IRC requires I-joist first floor assemblies to be protected. The fire protection of floors requires a fire barrier, such as 1/2″ gypsum wallboard membrane or other approved and certified barriers – on the basement ceiling.

But a better solution for the fire protection of floors and wood I-joists is the spray application of No-Burn Plus. No-Burn Plus is an intumescent coating that creates a fire barrier between flame and the substrate. When applied to I-joists and the underfloor assembly, this coating is enhancing fire safety, dramatically extending the time available for residents to exit safely and fire safety responders to extinguish any flames.

No-Burn Plus is easy to mix, easy to apply, and low in VOC content and emissivity, so there’s no foul odor. Affordable pricing means you can keep your project up to code and on budget, too.

Contact us to request a quote and connect with a qualified, professional installer. 

No-Burn Plus, Fire Protection for Wood I-Joists

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Technical Data and Compliance Reports

Other Applications

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Thermal and Ignition Barriers for Spray Polyurethane Foam Insulation

To comply with building codes, spray polyurethane foam insulation requires a thermal or ignition barrier to protect against fire and combustion. No-Burn Plus ThB and Plus XD are certified and approved for application over the leading brands of spray polyurethane foam insulation.

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Exterior Wall Assemblies

Many occupancies or types of construction, including stores, office buildings and multi-story residential housing units require fire-rated exterior wall assemblies. Achieve a 1, 2 or 3-hour exterior wall assembly rating for your application with No-Burn Plus ThB fire protective coating.

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Fire Retardant Treated Wood Alternatives

While Fire Retardant Treated (FRT) Wood is often specified in commercial construction projects, this wood can be cumbersome to procure and costly to use. Learn how No-Burn Plus as an intumescent coating is cost-effective and a code-compliant equivalent for FRT wood that can be used with conventional lumber and sheeting.

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Flame Spread Classification

How do fire ratings and flame spread classifications work, and what fire rating is required for your application? Learn how No-Burn’s line of passive fire protective coatings meet Class 1 and Class A fire ratings for interior finishes.

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