Thermafiber® FireSpan® Formaldehyde-Free products are Underwrites Laboratories and Intertek Laboratories approved for perimeter fire containment systems and designed to provide enhanced fire protection in curtain wall and perimeter fire containment systems.

Our formaldehyde-free insulation represents a significant advancement in fire protection technology. This dedication to safety and sustainability aligns perfectly with the growing demand for eco-friendly construction solutions.

FireSpan® FF offers a vital barrier against the spread of fire, delivering peace of mind to architects, builders, and occupants. Our innovative formaldehyde-free mineral wool safeguards both the building and its inhabitants, helping to enhance the overall safety and security.

Features

• Exceptional performance in Perimeter Fire Containment Systems
• Provides fire containment in rated assemblies
• Fire-resistant to temperatures above 2,000°F (1,093°C)
• Can be easily fabricated to fit around various types of curtain wall anchors
• Reduces energy needs for heating and cooling
• Mold-resistant
• Enhances acoustical performance
• Natural dark color provides shadowing in glass spandrels
• Minimum 70% recycled content
• Contributes to credits in several green building programs, such as LEED® and Green Globes®
• Formaldehyde-free