Complications Thermal injury (caused by the exothermic reaction of plaster and fiberglass hardening) Excessive pressure causing skin sores and / or ischemic injury Compartment syndrome Equipment Stockinette (enough to cover the area from below the fibular head to the midfoot) Roll padding (eg, cotton roll) 10-cm (4-inch) width Plaster or fiberglass splinting material * 10 - to 15-cm (4 - to 6-inch) width (wide enough to reach from the calcaneus to the metatarsal heads on the plantar surface and long enough to reach from one side below the fibular head around the calcaneus and to the other side) Elastic bandage, usually 10-cm (4-inch) width Lukewarm water and bucket or other container for water Nonsterile gloves * Fiberglass and plaster are usually supplied as single-layer rolls, but there are also commercially available rolls of pre-constructed splints that include multiple layers of fiberglass / plaster as well as padding.