Fig. 4.4 Making slabs
Step 4
Lift one of the slabs and carefully ease it into the mould so as not to disturb the ash layer. Push it against
the inside wall of the mould. Repeat this with your second slab, which should overlap the first slab on each
side.
Fig. 4.5 Putting the slabs in the mould and pushing the slabs against the inside walls
Step 5
Compact the seams where the slabs join, using your fist, until the seams become invisible.
Fig. 4.6 Compacting the seams
Fig. 4.7 Filling holes