Why Does My Roof Look Like Its Rusting

Metal roof flashings metal chimneys antenna mounts or other metals that rust can stain roof surfaces a red or reddish brown color.

Why does my roof look like its rusting.

Rust may be your biggest challenge when it comes to maintenance of a tin roof. It oxidizes the metal causing it to become weaker. The chemical composition of rust is fe2o3 nh2o. Our photo below shows brown stains below a metal roof chimney.

You d have to scrape the loose stuff off to be sure but that looks like surface rust. A body shop won t deal with it because it is very difficult to get the rust to stop once it starts and getting it to look ok will be difficult. If your roof is out of warranty you can attempt a patch of your own by cleaning the surface of rust completely prime it paint it to match and coat it with an acrylic resin. The shingles are deteriorating or reaching the end of their lifespan.

See details at debris staining on roofs. When you have the areas covered place in a safe place outside out of the reach of children pets and leave it exposed to the elements for at least 4 hrs or overnight. Rust occurs more quickly with acid rain and salty water by the seaside. If left unattended rust can result in serious damage to your roof.

Rust is created when oxygen and moisture interact. Expect to see rust stains only around and below rusting metal components on a roof. When learning about metal roofing you may have even asked yourself the question will metal roofs rust. The oxygen which is present in air simply dissolves in water which forms a layer of rust.

What the roof is trying to tell you. Do you want a shingle roof slate roofing synthetic slate roofing or metal roofing. Granules do come off and they do collect in the gutters crowe says adding that some. There are certainly pros and cons to each type of roof.

So basically rust corrosion is an attack that destroys the metal due to the way it reacts to the environment around it. If the rust staining is due to a deteriorated metal chimney chimney cap or roof flashing further investigation is in order.