Good point about compaction—I ran into something similar when we redid our patio. Thought drainage was the issue, but turns out the soil underneath was unevenly compacted. Once we fixed that, everything settled nicely... lesson learned the hard way.
Totally relate to that patio compaction issue—ran into something similar when I did a little workshop extension last summer. Thought I'd done everything right, leveling, drainage, the whole deal. But after a few months, noticed tiny cracks forming along the edges of the slab. At first, I blamed it on the concrete mix or maybe even temperature swings (easy scapegoats, right?). But then a buddy came by and asked me point-blank: "Did you compact the soil properly underneath?"
Honestly hadn't even occurred to me at the time. I mean, I'd tamped it down a bit, but nothing serious. He explained how uneven compaction can cause shifting and settling, which leads to cracking. Felt pretty dumb, not gonna lie. Ended up renting a plate compactor, tearing out the slab (painful!), and redoing the base properly. Second round went way smoother, and now it's rock solid. Lesson definitely learned.
One thing I'm still curious about though—did anyone else find it tricky figuring out exactly how much compaction is enough? I mean, is there a clear sign you're done, or do you just go by feel and experience? Seems like one of those DIY grey areas that's tough to nail down without trial and error...
Had a similar experience myself—compaction seems straightforward until you're actually doing it. I've found that checking density with a simple screwdriver test helps. Curious if anyone's tried other DIY-friendly methods to gauge compaction effectively...
Totally agree, compaction's deceivingly tricky once you're knee-deep in it. The screwdriver method's handy, but I've also had luck with the 'heel test'—just pressing your heel firmly into the compacted base. If it leaves a noticeable indent, you're probably not quite there. Another quick trick: sprinkle some water lightly over the surface. If it pools instead of soaking in evenly, that's usually a sign you need another pass with the compactor. Saved me a headache or two...
Good points, especially the water trick—never thought of that one. I've found compaction can vary a lot depending on soil type and moisture levels. Clay-heavy soils seem to compact differently than sandy ones, and sometimes even the weather conditions can throw things off. Curious if anyone's noticed a big difference using different compactor types (plate vs. jumping jack)? I've mostly stuck with plate compactors, but wondering if I'm missing out on better results...