Our Services

We are your building envelope experts! O'Sullivan Exteriors offers many residential and commercial exterior solutions, but our years of expertise make us the Tri-State's premier roof inspectors. We benefit corporate, commercial, and franchise building owners and property managers. We specialize in exterior restoration, including:

Exterior Walls and Windows

  • Assessments with Report upon request
  • Leak Detection
  • Caulk Replacement
  • Window Wet Glaze
  • Leak Detection


  • Assessments with Report upon request
  • Leak Detection
  • All types of Single Ply – Low Slope Roof Systems Repair/Replace
  • Shingle Roofing Repair/Replace
  • HVAC Curbs Installed – Repair/Replace – Removed
  • All types of Flashing and Coping Installed Repair/Replace
  • Metal Roofing Install/Repair
  • Roof Coatings


Here Are Just A Few Of Our Completed Projects!