slab on grade

I am installing PVC for bathroom drains in a residential home that is slab-on-grade. Question 1: Should I use PVC Schedule 40 for pipes and fittings that are in and under the slab? Question 2: Assuming the answer to Question 1 is Yes. How do I transition from PVC Schedule 40 for those...

Hey y'all, I am looking for some advice on how best to raise a recessed closet flange. I releveled the bathroom floors, and need to raise the existing brass closet flange up 3/4" of an inch. Raising it 3/4" of an inch will put the new closet flange on top of the new flooring. The existing...

Hi all - I'm building a bungalow on a slab in Ontario, Canada, and although I think I've got the basics of venting and the design, I'm looking for some suggestions on a couple of tricky situations. I really appreciate any pointers or suggestions this awesome group can provide! NOTE: Water...

The house we are building will have a polished concrete slab on grade as the finished floor. The concrete guy asked if the underground drain and vent lines can be cut level at the top of the finished concrete floor before he places the concrete. He said he used to do this in another state and it...