Complications Thermal injury (caused by the exothermic reaction between plaster or fiberglass and water) Excessive pressure causing skin sores and / or ischemic injury Compartment syndrome Equipment Stockinette (enough to cover the area from above the fibular head to past the metatarsal heads) 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 cover posterior surface of leg and malleoli and long enough to reach from the fibular head to the metatarsal heads Elastic bandage, usually 10-cm (4-inch) width Lukewarm water and bucket or other container 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.