Milwaukee Basement Waterproofing Contractors What is your basement’s biggest threat? Kids might imagine monsters lurking in the dark, but adults know the true danger: water. Milwaukee basement waterproofing contractors clean up after water’s many crimes, pursuing a trail of wet, leaky basements and cracked cement or block foundation walls. Of course, it’s best to call a waterproofing company before a major, or minor, disaster strikes. Read on for help determining whether you need the services that we offer in the Milwaukee area.