What Causes Roof Valley Rust and How Can You Fix It?
If you own a home on the Sunshine Coast, you have probably noticed how quickly metal fixtures weather in our warm, humid, salt-laden climate. Nowhere is this more obvious than in the roof valleys, the V-shaped channels where two roof planes meet. These valleys carry a huge share of your roof's rainwater, which makes them one of the most vulnerable parts of the whole roofing system. When rust takes hold, it can lead to leaks, water damage and expensive repairs. This guide ex