About Our Company

Giarnella and Son, Inc., founded in 1963, is one of the oldest and largest continuously operating exterior maintenance, waterproofing, roofing and restoration specialists in the New York City area. It has treated several million square feet of exterior  brick wall and roof areas, and has, as part of its portfolio, done work on most of the major institutional, commercial and residential buildings in all five Boroughs.

Our roofing portfolio includes work in new construction and existing roof replacement. We are certified installers of all major roofing systems such as Johns Manville (NDL), Carlisle, Siplast, Kemper, Firestone, Soprema Systems and we are also Green Roof and Energy Star specialists.

We are fully licensed, insured and bonded.


Our major goal is to respond to and solve our clients’ needs. We look forward to being of service to you.