Materials & Systems
Drywall (Gypsum Board)
Back to Glossary
A panel made of calcium sulfate dihydrate (gypsum), with or without additives, typically extruded between thick sheets of facer and backer paper, used to make interior walls and ceilings.
Helpful Resource
Planning a drywall project? Use our free calculator to estimate the number of sheets, screws, and joint compound you need.
Use Drywall CalculatorCross-check your specs, drawings, and addenda for gaps.
BidFlow reads the spec book, the drawings, and every addendum against your bid, then shows you the scope nobody covered. Catch it before you send the number, not after you sign.