Which type of ladder is specifically designed for use on roofs?

The roof ladder is specifically designed for use on roofs due to its unique features, making it ideal for firefighting and rescue operations in such environments. It typically includes a hook at the top that allows the ladder to secure itself to the roof's edge, providing stability and preventing slippage. This design aspect is critical, as roofs can be sloped and slippery, posing significant risks to firefighters who are on the roof working to suppress fires or perform rescues.

Additionally, roof ladders are generally constructed to support the weight of multiple personnel and their equipment, further enhancing their effectiveness in demanding situations. While extension ladders and multi-purpose ladders have various applications, they do not possess the same specialized features that ensure safety and effectiveness on roofs. An attic ladder is designed for access into attics rather than for use on a slope or a pitched roof. Therefore, the roof ladder stands out as the appropriate choice for working on roofs in firefighting scenarios.