Digmixfill

Hello Everyone, I've been slowly converting an old brick barn by myself, picking up the skills required along the way. So far I've been able to achieve everything I've needed to by research and reading forums etc. I'm about to embark on building the internal walls to form a cavity and have been unable to find the answers i need, and now it's time for me to post a question I've found that ebuild is no more. So here i am *wave*