How To Make Flexible Foam Prop Cinder Blocks

Cut away the flashing from the foam casting using a sharp knife. Apply talcum powder to give the piece a 'white/chalky' look. The piece is now ready to be used. These lightweight castings are easy to move and safe to handle. The flexibility and strength of the foam makes these castings very durable. The process can be repeated as many times as needed for a wall of lightweight prop blocks.