Todd Bosnick
253-347-4000
Waterproofing
GCI specializes in waterproofing daylight and below grade basements. Water seepage into basements can be costly, burdensome and even unusable. So before you bury that outside wall give us a call.
If you have a deck that is above living space or maybe just wanting a dry place to store stuff underneath your deck our high-grade pedestrian deck coating system is perfect for those situations.
Below Grade waterproofing
Below-grade waterproofing refers to waterproofing applied below ground level that comes into contact with a building or structure. ASTM defines waterproofing as the treatment of a surface or structure to prevent the passage of water under hydrostatic pressure.