Canonsburg, PA

Canonsburg, PA is a historic borough in Washington County with a population of approximately 9,700 residents, located about 18 miles southwest of Pittsburgh along Interstate 79 and U.S. Route 19. Laid out in 1789 by Colonel John Canon and incorporated in 1802, Canonsburg is one of Western Pennsylvania’s older communities and carries a proud heritage reflected in its registered historic properties — including the Canonsburg Armory and the Roberts House, both on the National Register of Historic Places. The borough is perhaps best known nationally as the birthplace of entertainers Perry Como and Bobby Vinton, and it hosts the second-largest Fourth of July parade in Pennsylvania. Canonsburg is adjacent to the Southpointe office park in Cecil Township, which houses numerous corporate tenants and contributes to the area’s economic activity. Local institutions include All-Clad Metalcrafters, Sarris Candies, and the Greater Canonsburg Public Library.

Canonsburg’s housing stock reflects its long history — a significant portion of the borough’s residential properties were built during the early-to-mid 20th century, when the town’s workforce was tied to the surrounding coal and steel industries. These homes frequently feature original or vintage box gutter systems and aging roof structures that require knowledgeable contractors to assess and repair properly. Western Pennsylvania’s winter freeze-thaw cycles create particular risk for Canonsburg’s older homes, where ice dams can form behind deteriorated flashings and compromise interior walls and ceilings. Replacing original roofing systems with modern Owens Corning architectural shingles and transitioning from sectional or box gutters to seamless aluminum systems offers Canonsburg homeowners a durable, long-term solution for their property’s most important protective systems.

Q: Does ice dam damage affect Canonsburg homes during winter?
A: Yes — Canonsburg’s older homes are particularly susceptible to ice dam formation in winter. When attic heat escapes through a poorly insulated or underventilated roof, it melts snow on upper roof sections, which then refreezes at the cold eaves and creates a dam. Water backs up behind the dam and can infiltrate beneath shingles, damaging interior walls, ceilings, and insulation. Blockbuster Roofing assesses attic ventilation as part of every Canonsburg roof evaluation to reduce this risk.

Q: What does a roof replacement project involve for an older Canonsburg home?
A: Older Canonsburg homes typically require a thorough assessment before replacement begins — including inspection of the roof decking for rot or structural compromise, evaluation of flashings around chimneys and dormers, and a review of any existing box gutter connections. Jonathan Levy personally walks through every Canonsburg property and provides a clear, honest scope of work before any project begins. We handle the full process from tear-off to final cleanup with our own trained crew.