The answer to 'patio installation yellowing' is that it is a common issue caused by a few potential factors. Yellowing can be due to the concrete or pavers used, exposure to UV light, or improper sealing of the patio surface. This discoloration is usually a cosmetic issue but can indicate deeper problems if not addressed.
If the yellowing is limited to a small area, it may be possible to clean and reseal the patio yourself. However, more widespread or severe discoloration may require professional repair or replacement of the patio materials. A landscaping expert can assess the cause and recommend the best solution, whether that's resealing, replacing the pavers, or completely redoing the patio installation.