I’ve run into the same clay soup problem more times than I care to admit. In my experience, fabric over gravel does help with silt, but if you’ve got tenants who like to dig or garden, sometimes it gets torn up. I usually go with a heavier-duty fabric and overlap the edges—seems to last longer. Also, if you’re dealing with a lot of runoff, don’t underestimate the value of a solid pipe in the mix. French drains alone just can’t keep up in some yards.
Heavy-duty fabric is definitely the way to go if you’ve got folks digging around. I’ve seen the lighter stuff shredded in a season, especially if someone’s planting tomatoes or whatever right on top. I’m with you on the pipe—gravel alone just doesn’t cut it when you get those big storms. One thing I always watch for is making sure the pipe’s got enough slope and isn’t getting clogged up with roots or debris. Nothing worse than thinking you’ve fixed the drainage, only to have water backing up again after a few months.
Heavy-duty fabric really does make a difference, especially if you’ve got pets or kids poking around in the beds. I tried using the thinner stuff once—total waste of time. It just tore up after the first season, and then I was back to square one with weeds everywhere.
About the pipe, I’m always a little paranoid about roots getting in there. Have you ever tried those sock-covered pipes? I’ve heard mixed things—some folks say they help keep stuff out, others say they clog up faster. Also, how much slope do you usually aim for? I read somewhere that even a slight miscalculation can cause water to pool instead of drain, which kind of defeats the whole purpose.
One thing I’m still not sure about is whether to use solid or perforated pipe in certain spots. I get nervous about water going where it shouldn’t, like toward the foundation. Anyone else ever have issues with that? Sometimes it feels like no matter how careful you are, water finds a way...
I hear you on the fabric—tried the cheap stuff once and it was a mess by spring. As for those sock-covered pipes, I’ve seen them clog up with fine silt way faster than plain pipe with gravel. They do keep roots out, but you’re trading one problem for another sometimes. For slope, I usually shoot for about 1% (so, an inch per 8 feet), but honestly, even a little less can work if the run is short and straight. On solid vs. perforated pipe, I’m always cautious near the house—solid only until I’m well away from the foundation. Water’s sneaky...it’ll find any excuse to go where you don’t want it.
Had a similar situation last year—thought I was clever using that sock pipe, but by fall it was basically a mud sausage. Ended up digging it out and going old-school with gravel and plain pipe. My back still remembers, but at least the water’s not pooling by the tomatoes anymore. Water really does have a mind of its own...