This weekend we finished the detail work on the East wall. We had to create a rim around the upper portions of the arch for the future windows to attach to. We did this by cutting sections of Faswall panels, which are actually made for raised garden beds. There is a 2 1/2 inch gap on the inside that will get filled with concrete. We will be buying what is essentially a hand-held shotcrete blower. With this, we will be able to spray the concrete into the gap. We will also use it to apply the interior mortar finish.
For those of you interested in what our lightweight concrete looks like. I ground smooth a section of window sill. In this picture, you can see the wood embedded concrete of the Faswall blocks and the filler concrete with polystyrene pellets.
Check out our Cemento-Vision post to find out more about it.