Roof leaks during heavy rain can be caused by various factors such as: Damaged or Missing Shingles: Shingles can become damaged or blown off during heavy winds or storms, leaving the roof vulnerable to leaks. Clogged Gutters: If gutters are clogged with debris, water can overflow and seep into the roof, causing leaks. Improper Roof Installation: Poorly installed flashing, seals, or vents can lead to water penetration during heavy rain. Cracks or Gaps: Any cracks or gaps in the roof structure,