Roofing Repair Riverhead NY | Call R W Mulligan

As Long Island's only GAF Master Elite and Commercial Roofing Contractor, we are certified to install all types of steep slope and low slope roofing systems. This certification, combined with our extensive experience serving eastern Long Island, ensures we have the expertise to handle residential, commercial, and industrial projects in Riverhead with professionalism and comprehensive warranties.

In Riverhead, where roof ventilation issues and chimney flashing leaks are frequent, we conduct thorough roof inspections to identify these specific problems. Our team is trained to properly install or repair ventilation systems and flashing to prevent moisture buildup and leaks, using quality materials and techniques that meet local building standards and ensure long-lasting protection for your home.

We provide a full range of services including gutter installation, replacement, and addition; roof inspection, repair, and replacement; siding installation, repair, and replacement; and skylight installation. Using materials like asphalt shingles, cedar shingles, EPDM, and vinyl siding, we tailor solutions to Riverhead's climate and architectural styles, backed by strong warranties for peace of mind.