Green board drywall, also known as moisture-resistant drywall or greenboard, is designed to be more resistant to moisture compared to regular drywall. While it can be used in areas with high humidity, such as bathrooms, it is generally not recommended for use in kitchens.
Green board drywall has a moisture-resistant paper facing that helps to reduce moisture absorption. However, it is not completely waterproof or suitable for direct exposure to water. In a kitchen, where there is a higher risk of water splashes, steam, and moisture, it is advisable to use more suitable materials in areas that are prone to direct contact with water, such as around sinks, countertops, and backsplashes.
For areas in the kitchen that are at risk of moisture exposure, it is better to use materials specifically designed for wet or damp environments. Some options include cement board, tile backer board, or water-resistant gypsum board. These materials are more resilient to moisture, provide better protection against water damage, and are suitable for areas like backsplashes and behind sinks where there is a higher likelihood of water contact.
It's important to consult with a professional contractor or a building supply specialist who can provide specific recommendations based on your kitchen's layout, local building codes, and the level of moisture exposure in your kitchen.