Tiger
The first sign you might have a problem with your roof, one that might be described metaphorically as a “tiger” lurking in its presence, isn’t always a dramatic collapse. Often, it begins subtly. You might notice a damp spot appearing on your ceiling, particularly after a rainstorm. This water stain, sometimes growing larger with each wet spell, is the most common indicator that something is amiss above. It could be a small, isolated spot, or several scattered across different rooms. Another early warning sign can be the presence of granules from your asphalt roof shingles in your gutters or downspouts. These tiny pieces, which look like coarse sand, are a sign that the protective layer of your shingles is wearing away.
What are the real causes behind these seemingly minor issues? The “tiger” in question is often a breach in your roof’s protective layers. For asphalt shingles, this typically means the shingles themselves are aging, becoming brittle, or have been damaged. Years of exposure to sunlight, wind, hail, and temperature fluctuations degrade the asphalt binder, causing the shingles to crack, curl, or lose their granular coating. Punctures from falling branches or even foot traffic can create direct holes. Underneath the shingles, the roofing felt or underlayment can also degrade, allowing water to seep further. For roofs clad in metal roof panels, the culprits might be loose or corroded fasteners, damaged seams, or even localized dents that compromise the watertight seal. The flashing around chimneys, vents, and skylights is another frequent point of failure. This material, often made of metal, is designed to create a watertight seal between the roof surface and these penetrations, but it can become loose, cracked, or rusted over time.
When it’s time for roofing repair or replacement, the process is systematic. For minor repairs, a provider will first pinpoint the exact source of the leak. This might involve a thorough inspection of the roof surface, gutters, and flashing. Once identified, damaged shingles are carefully removed and new ones are installed, ensuring they overlap correctly and are properly fastened. For more extensive issues, or when the roof has reached the end of its lifespan, a full roof replacement is necessary. This involves removing all existing roofing materials down to the decking. The decking, the structural layer beneath the shingles or metal panels, is inspected for any rot or damage and repaired or replaced if needed. A new layer of underlayment is then installed, providing an additional barrier against moisture. Finally, new shingles or metal roof panels are laid, starting from the bottom edge and working upwards, ensuring each layer overlaps the one below to shed water effectively. New flashing is installed around penetrations, creating a robust seal. The goal is always to restore the integrity and watertightness of the entire roof system.
Last updated: September 1, 2026