There are various topics covering this question but I need a slightly different answer as most of these have the DPM inside the EPS systems whereas as mine wraps up the front and meets with the DPC. Here is an image of the build up:     I seem to have two issues, which I'll deal with separately:   1) What to cover the EPS upstand with and importantly how best to attach it 2) Wall build up to reach past the Upstand.    EPS Upstand: There are a go