KnowraDrywallLinked fromLinked fromThe 5 pages that link to Drywall, each with the reason it gives.All 5Broader topic 2Related 1Compared with 2GypsumBroader topic: Gypsum’s fire resistance and availability make it the panel’s main core material.Calcium sulfateRelated: Gypsum derived from calcium sulfate forms the core of most drywall.PlasterCompared with: Unlike wet-applied plaster, it creates a wall surface from factory-made panels.Building materialBroader topic: It is a common finish layer that also contributes to fire protection and sound control.Lath and plasterCompared with: Drywall replaced much lath-and-plaster work because sheets install faster.