Moisture-Resistant Drywall (Green Board): Complete Buying Guide 2026
Green board drywall has a moisture-resistant core and facing designed for humid areas. It is used in bathrooms and kitchens where humidity is a concern, but should not be used directly in shower or tub areas. In 2026, moisture-resistant drywall (green board) prices average $18.00 per sheet (4x8), with a typical range of $14.00 to $25.00 depending on your region, supplier relationships, and order quantity.
When budgeting for a project using moisture-resistant drywall (green board), factor in approximately 10% additional material for waste, plus labor costs averaging $12.00 per sheet (4x8) for professional installation. A typical project using this material runs approximately $1,400 including both materials and labor.
With an expected lifespan of 50 years, moisture-resistant drywall (green board) represents a cost of approximately $0.36 per sheet (4x8) per year of service life. This exceptional longevity makes it one of the most cost-effective materials when measured over its full lifespan.