# Illinois BidBuy #27-350SOS-PHYSE-B-54721

Illinois Secretary of State fluid-applied roof replacement and related building work

**Posted:** October 28, 2026
**Respond By:** November 19, 2026
**Identifier:** 27-350SOS-PHYSE-B-54721
**NAICS:** 238160

The Illinois Secretary of State is seeking a contractor for fluid-applied roof replacement work in Springfield, with roofing systems from several named manufacturers acceptable.
- **Government buyer:** Illinois Secretary of State, Physical Services Department; work is identified at the Index Building and in the plans as the Illinois Secretary of State Police Building, Springfield, Illinois.
- **Scope:** Prepare and repair the existing EPDM roof, install a white, cold-applied silicone roofing system, and complete associated flashing, penetration, drainage, insulation, and protective walk-surface work. Plans also include replacing one insulated metal door and frame.
- **Named roofing OEMs and systems:**
  - **GACO** — GacoFlex 4200 coating.
  - **Carlisle** — X-TENDA Coat XTRA Silicone Coating System.
  - **GAF** — HydroStop PremiumCoat System.
  - **Huntsman Building Solutions** — THERMO-SIL Silicone Coating System.
- **Quantities and part numbers:** No roof area, roofing-material quantities, or part numbers are specified. The plans call for one insulated metal door and frame; door schedule identifies it as door 100.
- **Notable requirements:** Bidders must be Illinois Capital Development Board prequalified and document at least eight years of commercial fluid-applied roofing experience. Roofing provisions also require a manufacturer-approved mock-up of at least 100 square feet, a flood test using at least one inch of water with inspection after 72 hours, and a 20-year manufacturer full labor-and-material warranty. The roof must be prepared and installed to manufacturer requirements, and leaks found in testing must be repaired and retested.
- **Additional work and coordination:** Install tapered insulation and crickets as specified for drainage; provide flashing and penetration details, a protective walk membrane, and low-VOC acrylic primer where indicated. Protect existing equipment and building materials, coordinate access and utility protection, and remove construction debris.
- **Contract term:** Initial two-year term from execution; total term, including extensions, may not exceed ten years. No annual subscription is indicated.

### Description

The Illinois Secretary of State is seeking bids for a new fluid-applied roof system on the Index Building at 111 E. Monroe St, Springfield, Illinois. The work includes roofing materials and accessories, roof preparation and installation, and field quality-control flood testing; the specifications also call for a 20-year manufacturer labor and material warranty. Bids must be submitted electronically through BidBuy by November 19, 2026, at 2:00 PM. A mandatory pre-bid meeting is scheduled for November 5, 2026, at 9:00 AM, in Springfield.

[View original listing](https://www.bidbuy.illinois.gov/bso/external/bidDetail.sda?docId=27-350SOS-PHYSE-B-54721&external=true&parentUrl=close)