Indications Fractures Other injuries (eg, unstable sprains or dislocations) requiring immobilization Contraindications Acute fractures or dislocations at risk of continued swelling that could cause ischemia after circumferential casting Complications Thermal injury (caused by the exothermic reaction of plaster or fiberglass hardening) Pressure sores Compromised circulation and / or nerve function Compartment syndrome Equipment Stockinette Roll padding Plaster or fiberglass casting material * Strong scissors and / or shears Lukewarm water and a bucket or other container Nonsterile gloves * Both materials are equally effective.