The answer to 'why is my gutter greasy' is that gutters can become greasy and dirty due to a buildup of debris, oil, and other environmental contaminants. This is a common issue, especially in areas with heavy vehicle traffic or industrial activity nearby. The grease and grime can accumulate over time, creating an unsightly and potentially problematic situation.
Some common causes of greasy gutters include airborne pollutants, dripping oil from vehicles, and even the natural oils and debris from nearby trees and plants. If left uncleaned, this buildup can lead to clogged downspouts, water overflow, and potential damage to the gutter system and the home's foundation.