Fire Ratings
The results are in—updated testing shows that almost all of our panels meet or exceed the ASTM E84 standards for CLASS A flame spread and smoke development. You can rest easy knowing we’ve got your back when it comes to fire safety.
Contact us today for an infill panel solution that meets your project’s fire-rating requirements as well as your budget!
What Exactly is a “Class A” Fire Rating?
Flame Spread 0-25
Smoke-Developed 0-450
Flame Spread 26-75
Smoke-Developed 0-450
Flame Spread 76-200
Smoke-Developed 0-450
| Panel Components | Flame Spread | Smoke Develop | Rating |
|---|---|---|---|
| CMT/STY/CMT | 0 | 5 |  |
| CMT/MIC/CMT | 0 | 5 | |
| CMT/ISO/CMT | 0 | 10 | |
| HBD/STY/GYP | 0 | 65 | |
| HBD/STY/HBD | 0 | 75 | |
| HBD/MIC/HBD | 0 | 115 | |
| CPS/STY/CPS | 5 | 65 | |
| SPS/STY/SPS | 5 | 105 | |
| SPS/ISO/SPS | 5 | 110 | |
| HBD/ISO/GYP* | 5 | 140 | |
| HBD/ISO/HBD | 5 | 200 | |
| CPS/ISO/CPS | 30 | 250 |  |
KEY
SUBSTRATES
CMT: Cement Board
CPS: Corelite (Corrugated Plastic)
GYP: Gypsum Board (Interior Only)
HBD: Tempered Hardboard
SPS: Solid Plastic (SPS)
INSULATING CORES
ISO: 2# Density Polyisocyanurate
MIC: Micore (Mineral Fiber Board)
STY: 2# Density Polystyrene
Click Here to Learn More About the ASTM E84 Standard
