When homeowners research roofing materials, most of the attention goes to shingles. However, one of the most important components of a roofing system is the synthetic underlayment installed beneath those shingles. Roof underlayment protects the roof deck from moisture, adds an extra waterproof barrier, and protects the home if shingles are blown off during storms. For homeowners in Harford County and surrounding areas like Baltimore County, Cecil County, Carroll County, Howar