Fire Resistant


Safety and security – HEBEL is the solution


When you use HEBEL AAC, safety is built-in. With the highest fire rating in the industry, our building systems offer the best fire safety available.

HEBEL AAC has proven to remain fully intact and withstand the stress of fire for up to 4 hours without any impairment to its stability. Even under intense heat, HEBEL AAC remains tightly sealed against smoke and gas, emitting no toxic fumes.

Advantages of fire behavior on Hebel AAC.

  ✓Fire Safety- 4 hours certified by UL (Underwriters Laboratory)
  ✓Not flammable.
  ✓Highest temperature damping.
  ✓Environmentally friendly

Fire Resistance UL Classification
Elements Classification
(fire rating)(Hours)
UL Desgin Numbers
(UL Fire Resistance Directory 1998)
Non-load bearing AAC block
walls 4" thick and higher
4  U919
Load bearing AAC block walls
6" thick and higher
4 U919
Reinforced Wall Panel 4 U920
Roof and Slab Panels 4" thick 0.5, 1 K909, P932 
Roof and Slab Panels 6" to 12" thick 0.5, 1, 1.5, 2, 3, 4 K909, P932

Fire Resistance Solutions


Fire Test