Contact Bi-State

Whether it is an older structure or new construction, Bi-State completes Waterproofing for the residential, commercial and industrial sectors. We work in conjunction with the building owner and construction company during the design phase of the project, to assist in developing complete waterproofing plan. There are several different types of waterproofing measures and applications, and we will choose the best solution, whether it is an existing building or new construction. Our solutions and applications address water leaks in facades or at the walls of the foundations. Here are some of our waterproofing solutions:

  • Chemical grout injection
  • Thru-wall flashing
  • Epoxy coatings and sealers
  • Expansion joints
  • Air and vapor barriers
  • Traffic bearing waterproofing for parking garages and balconies
  • Sealants
  • Below grade waterproofing
  • Building façade inspections and water tests



Bi-State Masonry, Inc.


1320 West Kimberly
Davenport, IA 52806

Second Location

3511 8th St,
Rock Island, IL 61201