From the blog "West Sussex Forever Home"

I had a few spare minutes on this lovely sunny Sunday evening and decided to spend it writing up a blog post for our basement UFH install and screed.   We have a 250mm reinforced concrete slab sitting on top of 200mm EPS300 in the basement. The slab wasn’t very flat and so we decided to use a cement based liquid screed to give us a nice level base for our finished flooring. So we put down 25mm of PIR to level things out and also to allow the UFH pipes to be stapled to. I did some quick