Please see our Parking Structure Reference List and Façade Reference List for further information on past projects.

A WHA project is characterized by the following three things:

1. Performing the work correctly and efficiently.
2. Minimizing inconvenience.
3. Communicating effectively.


William Hach & Associates, Inc. has a proven track record of performing façade, parking structure, concrete, masonry, and metal-related projects.

Façade Repairs

  • Masonry (Tuck Pointing / Brick Replacement)
  • Concrete Façade Repairs
  • Façade Painting
  • Balcony Repair / Replacement
  • Window Sealant
  • Leak Investigation and Repair
  • Waterproofing Membrane
  • Fire-Escape Repair / Replacement
  • Balcony Railing Repair/Replacement
  • Hydro-Demolition Concrete Removal

Parking Structure Repairs

  • Partial / Full Depth Concrete Deck Repair
  • Concrete Deck Replacement
  • Stair Repair / Replacement
  • Concrete Deck Coating
  • Traffic Markings

Additional Work

  • Metal Railing Repair / Replacement
  • Vaulted Sidewalk Repair / Replacement
  • Critical Façade Inspection
  • Canopy Installation
  • Emergency Work

Please contact WHA by calling 708-343-0578, e-mail, or fill out the brief contact form. WHA will contact you promptly in whatever manner you choose.