


● Voids are air gaps that can be found within theconcretesurface.Thesevoidsusuallyformas the result of settling and shifting the material duringconstruction.
● Voids are dangerous because they lead to cracks in your concrete, which makes it much more susceptible to damage from rainwater and snowmelt.
● Youcancheckforvoidsbytakingahammer out into your yard, tapping on different areas of your patio or driveway, and listening carefully. If youhearanechowherethereshouldbenone(or if tapping causes no sound at all), then you likely haveanissuewithvoidsunderneathyoursurface —and you may need to have it replaced soon by apavingcontractor!
