Compare 4-, 5-, and 6-inch gutters, aluminum coil, color coordination, and the parts that move water to the ground.
Compare appearance, capacity, roof-area considerations, and the importance of outlets and downspouts.
Pre-finished aluminum coil is widely used because it can be formed on-site, resists rust, and comes in many colors.
Choose a finish that blends with fascia and trim or intentionally outlines the roof edge. Final availability depends on the coil supplier.
The collection system is incomplete until water has enough exit capacity and a sensible route at ground level.
Common gutter components and profiles
