Fire Service Roof Types

As many people know wood is fuel for a fire despite the fact that it is a valuable and reliable roofing material.

Fire service roof types.

Metal roofing can be made from copper zinc and steel as well as various alloys and comes in a variety of finishes colors and designs. Type i type ii type iii type iv and type v. In determining the best approach for extinguishing a fire firefighters refer to five types of building construction that define building construction for the fire service. Describe the types of the ladder.

Describe the types and specifications of extension ladders. If you have one of these roofing types you might want to look into replacing the roofing material for a more fire resistant option. Demonstrate the appropriate use of the ladder. Wood shake plywood or particle board roof are the most common roofing types listed as class c.

Class a is the highest rating offering the highest resistance to fire and unrated is the worst. When we talk about roof ventilation we often focus on the cut itself. Generally most fiberglass based shingles will have class a fire ratings while their organic counterparts such as treated wood shingles will have class c ratings. The most common types of roof systems in a commercial setting of type 3 construction include parallel cord truss and panelized roof systems.

Combustible products used for built up roof materials insulation foam asphalt water proofing felt paper rubber may be highly flammable and can lead to a separate fire above and below the roof. Describe proper care and maintenance of the ladder. After completion of fire ladders lesson you will be able to. It s lightweight won t corrode and requires little maintenance.

Fire ratings for roofs are classified as either class a class b class c or are unrated if a roof covering cannot meet the requirements for any of these classifications. Each of these construction types is discussed in detail below. To identify if a building is of an older style. Ladders are very important in fire service rescue work.

This flashcard style drill challenges firefighters to identify different types of roof construction and the hazards associated with each type. Class a roofing materials are the most fire resistant while class b and c are progressively less resistant to fire.