Step 11 — Removal of the Airform will be tough. If this is not so, there will be failure during the construction. The Airform must not let go of the concrete because a cave-in may ensue. Do not use a mold release; it will get you in trouble. The work of pulling the Airform is nothing compared to putting a fallen dome back together. Removal of the Airform can be done by simply pulling it up, bit by bit, around and around. Ropes can be affixed for pulling larger Airforms.