Necking the vault down to the door opening. Five sets are laid as shown. Workshop participant David Trithart. The tricky part. Laying out bricks to close off the vault corner.
Fit is by trial and error.
We used a diamond wetsaw for cutting A skilsaw with an abrasive blade could be used also. Completing the vault Two layers of 6x6 reinforcing mesh are cut and bent into shape to cover the vault. The mesh is only in place temporarily at this point. Before the concrete cladding is poured, a layer of aluminum foil will be installed under the mesh as a bond break. View of the mesh cage wired together.