Your roof is your home’s first line of defense in the event of a hurricane, tornado, or hailstorm, so it’s crucial that you keep an eye out for roof problem signs. However, property owners often ignore these warnings and fail to take action to prevent critical damage.
The most common reason for roof sagging is a structural issue. Continuous exposure to water from rain, hail and melting snow and ice can cause the structure underneath the shingles to rot. Sagging also happens when there isn’t enough ventilation in the attic for the moisture to evaporate.
This lack of ventilation can be caused by soffits that are too small or blocked or by a lack of attic insulation. If the structure of your roof is failing, it’s a sure sign that it needs replacing. Even if only one area is sagging, it can still cause serious damage to your roof and your home if left unaddressed.
Cracks in your roofing system can sometimes be indicative of a major problem. In some cases, they may be a sign of poor design or installation of the roof — such as when an asphalt shingle roof is installed without adequate ventilation beneath the shingles. Cracking can also indicate that the materials used to seal the roof are becoming old and brittle. If you see cracks in your roofing material or around flashing and vents on your roof, it’s time to call in a professional.
Granules in the Gutter
If you see a large amount of granules in your gutters, especially if they’re flowing down the downspouts and into the street, this is a clear sign that your roof is aging. Asphalt shingles are made up of an asphalt base covered with mineral granules. The granules protect the shingles from UV rays and add to their strength. As roofs age, these granules wear off and end up clogging gutters, which can cause drainage problems. Granule loss can be a sign of other problems, such as curling shingles or hail damage.
Moss and Algae Growth
Roof shingles are made from asphalt, which is made from petroleum. Over time, the sun’s intense heat can cause the asphalt to break down and become less resistant. When this happens, organic growth can occur on your roof’s surface.
Moss and algae growth can often be seen as black streaks on your roof’s surface. While these streaks might not seem like a big deal, they can actually lead to more severe problems. If left unchecked, the moisture that moss holds onto, along with its tendency to grow roots, can result in water damage to the roof underlayment.
A damaged roof is the source of many serious and potentially dangerous problems. If you find these problem signs, you need a professional to examine your roof.