Skip to Main Content

Noncombustible Construction

Construction Class 3

Overview

This Construction Brief will give you an overview of Verisk's Construction Class 3 — noncombustible construction. When you have completed this course, you'll know what a Verisk report means when it says a building is noncombustible construction. And you'll understand why a particular structure is—or isn't—noncombustible.

Definition

  • Buildings with exterior walls, floors, and roofs of noncombustible or slow-burning materials
  • Building supports of noncombustible or slow-burning materials
  • Noncombustible or slow-burning roof decks on noncombustible or slow-burning supports—regardless of the type of insulation on the roof surface
Class3pg2pic1

Class3pg2pic2

Advantages of noncombustible construction

  • Easy to erect
  • Economical to build
  • Uses materials that do not readily burn
Class3pg3pic1

Class3pg3pic2

Disadvantages of noncombustible construction

Noncombustible

Disadvantages of noncombustible construction

  • Contains steel, which loses strength at high temperatures
  • Highly damageable buildings
  • Unstable buildings under fire conditions
  • Uses slow-burning materials that do burn—adding fuel to a fire

You will soon be redirected to the 3E website. If the page has not redirected, please visit the 3E site here. Please visit our newsroom to learn more about this agreement: Verisk Announces Sale of 3E Business to New Mountain Capital.