Commonwealth of Pennsylvania – Main Capitol Building Restoration

Additions & Renovations

Project Type

Historic Preservation

Project Description

Restoration and waterproofing of 100-year old building involved:

  • Cutting, demolition, and removal of existing ceramic tile gutter system and substrates
  • Repair of existing structural steel and installation of new structural steel framing for gutter substrates
  • Carpentry sheathing of plywood substrates for metal lining of gutter system
  • Installation of roof insulation, furring, and plywood sheathing on roof gables and dome
  • Removal, restoration, and reinstallation of steel catwalk ladders on roof gables
  • Installation of new fiberglass   catwalk system around 1,400-foot perimeter of roof
  • Restoration, repair, and replacement of 320 window components
  • Rigging for airlift removal and reinstallation of Commonwealth statue atop main dome
  • Waterproofing repairs to fountain on east side of building


Award of Excellence - National Associated Builders and Contractors

See More Wohlsen Construction Historic Preservation Projects Back to All Markets

Commonwealth of Pennsylvania

Perfido/Weiskopf/Graves/Nobel Joint Venture

Harrisburg, Dauphin County, PA

Square Feet
80,000 square feet

Construction Time
23 months

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