Fire Service Roof Types

When we talk about roof ventilation we often focus on the cut itself.

Fire service roof types.

However there are many other critical steps that we need to master in order to make roof ventilation an efficient process. 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 is the highest rating offering the highest resistance to fire and unrated is the worst. It s lightweight won t corrode and requires little maintenance.

Type i type ii type iii type iv and type v. 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. 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.

Describe proper care and maintenance of the ladder. Forest reeder began his fire service career in 1979. Each of these construction types is discussed in detail below. Describe the types and specifications of extension ladders.

Metal roofing is non combustible and offers class a protection in combination with a fire resistant underlayment. 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. Wood shake plywood or particle board roof are the most common roofing types listed as class c. As many people know wood is fuel for a fire despite the fact that it is a valuable and reliable roofing material.

The most common types of roof systems in a commercial setting of type 3 construction include parallel cord truss and panelized roof systems. Describe the types of the ladder. If you have one of these roofing types you might want to look into replacing the roofing material for a more fire resistant option. 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.

Ladders are very important in fire service rescue work. Class a roofing materials are the most fire resistant while class b and c are progressively less resistant to fire.