When architects, contractors, and developers ask whether fiber cement boards are a safe material, they are rarely asking about a single technical property. What they really want to know is simple:
Selecting the right board material today is no longer a simple cost decision. Architects, façade engineers, and specifiers must evaluate fire safety, moisture behavior, durability, regulatory acceptance, and long-term liability.
Fiber cement boards and magnesium oxide (MgO) boards are often compared because both are positioned as non-combustible alternatives for modern construction.