Gap Under Your Garage Door? How to Tell When a Sinking Slab Is the Cause

Before and after of a sinking garage slab. Top: daylight under the closed garage door. Bottom: after Level Home lifted the slab, the gap is closed.

Close your garage door on a sunny afternoon, switch off the lights and look at the bottom edge of the door. If you see a line of daylight where the door meets the concrete, you have a gap under your garage door. Most people assume the door needs adjusting or the rubber seal is worn […]