The answer to 'why is my asphalt shingles cracked' is that cracked asphalt shingles are often caused by age, weathering, and improper installation. Asphalt shingles can become brittle and crack over time due to exposure to UV rays, temperature fluctuations, and moisture. Incorrect installation techniques like nailing too close to the edges or using the wrong type of fasteners can also lead to cracking.
If you notice cracked shingles on your roof, it's important to address the issue promptly to prevent further damage. Small cracks can often be repaired with roof sealant or roof cement, but more extensive damage may require replacing the affected shingles or even the entire roof system. For significant cracking or if you're unsure of the root cause, it's best to call in a professional roofing contractor to assess the situation and provide the appropriate solution.