THERMAFIBER® FireSpan® products are designed to provide enhanced fire protection in curtain wall and perimeter fire containment systems. These products are non-combustible, moisture-resistant, non-corrosive, non-deteriorating, mildew-resistant and vermin-resistant. Its natural dark color provides shadowing in glass spandrels. FireSpan® 40 and 90 insulations provide thermal insulation, fire containment, enhanced acoustical performance and vapor control in many different UL and Intertek® (formerly OPL) listed fire containment assemblies of 1, 2 and 3 hr ratings.
THERMAFIBER® FireSpan® Insulation Board, 40 Series, 4 in Thickness, 48 in Width, 39-3/4 in Length, Unfaced Facing, R-Value: R4.3, Density: 4 pcf, 0.23 Btu-in/hr-sq-ft-deg F Thermal Conductivity, Mullions with Insulation Fasteners Installation, Mineral Wool
| Density | : | 4 pcf |
| Facing Type | : | Unfaced |
| Installation Type | : | Mullions with Insulation Fasteners |
| Length | : | 39-3/4 in |
| Material | : | Mineral Wool |
| R-Value | : | R4.3 |
| Series | : | 40 Series |
| Thermal Conductivity | : | 0.23 Btu-in/hr-sq-ft-deg F |
| Thickness | : | 4 in |
| Width | : | 48 in |
- Exceptional performance in perimeter fire containment systems
- Provides fire containment in rated assemblies
- Fire-resistant to temperatures above 2000 deg F (1093 deg C)
- Helps conserve energy, reduce greenhouse gas emissions
- 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®
- This product has the potential for extended lead times.
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