The answer to 'shingle replacement leaking' is that a leaking roof after shingle replacement is often caused by improper installation or damage to the new shingles. Common symptoms include water stains, mold growth, and dripping inside the home. The solution typically involves re-sealing or replacing the faulty shingles, as well as addressing any underlying structural issues.
If the leak is localized and the damage is minor, a DIY shingle repair may be possible. However, for more extensive leaks or if you're unsure of the cause, it's best to call a professional roofing contractor. They can properly diagnose the issue, make the necessary repairs, and ensure your new shingles are installed correctly to prevent future leaks.