The answer to 'shingle replacement curling' is that curling shingles are a common issue that can be caused by a variety of factors, including improper installation, age, weather exposure, and poor ventilation. Symptoms of curling shingles include the edges or corners of the shingles lifting up or the shingles developing a wavy appearance.
In many cases, curling shingles can be repaired or replaced by a professional roofing contractor. However, some minor curling may be able to be addressed through DIY efforts, such as re-sealing the shingles or replacing a few affected shingles. It's important to carefully inspect the roof and determine the extent of the issue before attempting any repairs yourself. For more significant curling or damage, it's best to hire a professional roofer to ensure the job is done properly and safely.