Mark Arredondo | General Contractors & Roofing in San Dimas, CA 91773

In San Dimas, temperature fluctuations and seasonal weather can cause the metal in roof flashing to expand and contract, leading to lifting seams. Additionally, moisture and occasional coastal air can accelerate corrosion. As a local roofing expert, I inspect for these specific issues to prevent leaks and more extensive damage to your home's structure.

Repairing or replacing flashing starts with a careful inspection to assess the extent of the lifting or corrosion. For minor issues, I may reseal and secure the existing flashing. If corrosion is advanced, I replace it with new, high-quality metal flashing, properly integrated with your roof and siding to ensure a watertight seal that stands up to our local conditions.

Absolutely. Prevention is key. I recommend regular roof inspections, especially after major weather events common in our area. During service, I check all flashings, clear debris from valleys and edges, and ensure proper sealing. Using corrosion-resistant materials and expert installation techniques from the start is the best long-term defense for your San Dimas home.