Which type of ladder should be used when working on a sloped roof?

When working on a sloped roof, the use of a roof ladder is essential due to its design features that enhance stability and safety in this specific environment. A roof ladder is equipped with hooks that allow it to securely grip the edge of a roof, preventing it from slipping or sliding as firefighters navigate the slope. This gripping feature is crucial for maintaining balance, especially when moving on an incline where the risk of falling is greater.

Additionally, roof ladders often have a flat rung design that provides a more stable footing compared to other ladder types, which is beneficial when firefighters need to perform tasks while on the roof. This stability becomes especially important in emergency situations where quick movements may be required.

In contrast, other types of ladders, such as extension ladders and step ladders, lack the specialized features designed specifically for sloped surfaces, making them less suitable for such work. An extension ladder, while long enough to reach heights, does not secure itself to the roof edge, while step and stepladders are primarily intended for flat, stable surfaces and do not provide the necessary support for work on a slope.