Fire Service Roof Types

Metal roofing is non combustible and offers class a protection in combination with a fire resistant underlayment.

Fire service roof types.

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. If you have one of these roofing types you might want to look into replacing the roofing material for a more fire resistant option. To identify if a building is of an older style. 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.

This flashcard style drill challenges firefighters to identify different types of roof construction and the hazards associated with each type. As many people know wood is fuel for a fire despite the fact that it is a valuable and reliable roofing material. Ladders are very important in fire service rescue work. 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.

Class a is the highest rating offering the highest resistance to fire and unrated is the worst. Describe the types and specifications of extension ladders. It s lightweight won t corrode and requires little maintenance. Describe the types of the ladder.

After completion of fire ladders lesson you will be able to. 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. Class a roofing materials are the most fire resistant while class b and c are progressively less resistant to fire. Each of these construction types is discussed in detail below.

However there are many other critical steps that we need to master in order to make roof ventilation an efficient process. The most common types of roof systems in a commercial setting of type 3 construction include parallel cord truss and panelized roof systems. Demonstrate the appropriate use of the ladder. Type i type ii type iii type iv and type v.

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.