Which type of construction is known as "non-combustible"?

The five building types are used by firefighters to help determine the likelihood of a building collapse, how to ventilate, and how old a building is. A type 2 structure is labeled as "non-combustible," and is typically a newer build made with non-combustible materials.

Asked by Rachel Bortles · Last updated 5 years ago · 716 views · SOURCE