I have a basement slab that I'm going to be breaking up and sending to a recycler. Here's what I would like to avoid:

  • The concrete being rejected at the site of recycling
  • The concrete causing some problems with the recycler's facilities

Both are admittedly unlikely, but I'm a worrier. In my basement I have carpet pads that I will be removing to access the slab, and those pads were attached to the concrete with what I assume was construction adhesive several decades ago. I'm wondering how clean I need to get the concrete to be able to get it accepted for recycling.

I asked the recycling facility this question, but didn't get an answer. Anyone know?

  • it doesn't have to be pure, they mainly don't want mud and debris...
    – dandavis
    May 6, 2018 at 3:56
  • @dandavis Great, so as long as I don't have big chunks of carpet pad on it, I should be OK? There's a portion of my slab that's coated with a really tough type of material that is putting up a big fight against my scraper.
    – rajan
    May 6, 2018 at 4:43

1 Answer 1


You're fine, as long as the amount of debris is low. A bit of carpet glue, no problem. Huge chunks of carpet, or mud, no good. Of course you can ask the recycling company for a contamination rate, but pretty much if it looks clean, it's good to go. https://en.wikipedia.org/wiki/Concrete_recycling

  • Never would have thought of wikipedia for this. That page actually answered another question I was wondering about as well - is there a problem in recycling concrete with lead-based paint? It looks like there isn't.
    – rajan
    May 7, 2018 at 5:54

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.

Not the answer you're looking for? Browse other questions tagged or ask your own question.