Roof ridge repairing and waterproofing are essential tasks in ensuring the longevity and integrity of any building's roof structure. The ridge of a roof is particularly vulnerable to water penetration and damage due to its exposed position and the intersection of multiple roof planes. Repairing and waterproofing the roof ridge involves specialized techniques and materials to seal seams, joints, and any potential points of entry for water. In this introduction, we explore the importance of maintaining a watertight roof ridge, the common issues faced, and the methods employed to effectively repair and waterproof this critical component of a building's roofing system.