Give SDR-35 PVC a good look for the outside drain lines you want to install. It’s a strong pipe, and the sidewalls are thinner than the schedule 40 pipe.

If you're doing a plumbing installation or repair, you'll need to buy pipe and pipe fittings. Here's some help figuring out which fittings you need. The post A Guide To Pipe Fittings and How To Use ...

If you’ve ever worked with PVC pipe before then this may sound familiar. The difference is lean pipe is stronger and designed specifically for building sturdy structures.