hydracal prefill for mold |
note the folded burlap ridge |
prefill needs to be textured |
supportive aluminum rod in centre |
plaster-dipped doubled burlap strip |
applied on outside of bound mold |
seals the two mold parts together |
making sure seal is secure |
mold inverted ready to fill |
filling top of the mold with hydracal |
top filled - building lower shell with fill |
rolling to distribute shell fill |
cleaning up the shell |