Deciding how thick of concrete for garage floor jobs should be

If you're planning a new build or a renovation, you're probably wondering exactly how thick of concrete for garage floor slabs is actually necessary to keep things from cracking under pressure. It's one of those questions that seems simple until you start looking at your heavy SUV, your workbench, and all those boxes of holiday decorations you've got stacked in the corner. You don't want to overspend on material you don't need, but you definitely don't want a floor that turns into a spiderweb of cracks after two winters. ...

April 21, 2026 · 7 min · Pfeil Wassong