10/19/2026
Clean, even shingle rows are not just for looks. They are your roof's first defense against wind driven rain.
Oahu homeowners, what you are seeing on this newly installed roof is proper alignment across every section, ridge, and valley. When shingles are laid straight and staggered correctly, water sheds off the roof the way it was designed to. When they are not, even small gaps or uneven rows let wind driven rain slip underneath, and in our climate that moisture finds the deck fast. Valleys are especially vulnerable because they channel the most water during heavy downpours, so the way shingles meet there matters more than anywhere else on the roof.
A professional roofing contractor checks for uniform exposure on each shingle course, tight seals at the valleys, and secure ridge caps along the peaks. On an older roof, these are the same spots where wear shows up first, and where most roof repair calls begin. Quality roofing services done right the first time mean fewer surprises when the winter rains arrive.
If your shingles look uneven, patchy, or worn in the valleys, it is worth having someone take a closer look. FBC Roofing offers free roof inspections across Oahu so you know exactly where your roof stands.