National Gypsum

Merrimack Building Supply is your supplier for all your National Gypsum product needs. Our warehouses keep a large stock of products you need to get the job done. From sheetrock and compounds to blueboard and plaster we have you covered. Besides regular and fire-code drywall and plasterboard, we also have mold and mildew-resistant board (XP®), flex-board, cement board, sound-board, and other interior and exterior specialty gypsum board products from manufacturers like National Gypsum eXP®

The National Gypsum products we carry include their plasters and compounds as well as the XP® and PermaBase® (cement board) lines, both known for their high quality. The XP® Gypsum board is was developed as an improved moisture resistant board, fire-resistant and made from 100% recycled material. The PermaBase® BRAND Cement Board is made of Portland cement, aggregate and a glass mesh creating an exceptionally hard, durable surface that is able to withstand prolonged exposure to moisture.

National Gypsum is committed to creating and implementing green building policies, standards and practices. They have developed products that help contribute to healthier environments, reduce energy usage and are made from 100% recycled products. They have received the GREENGUARD Certification for indoor air quality, and will help you meet the criteria for green programs and credits such as USGBC LEED 2009 and LEED v4. Learn more

Merrimack Building Supply is a leading distributor of National Gypsum drywall, plaster and compounds throughout the New England area. With warehouses in New Hampshire, Boston, Massachusetts and Connecticut and our extensive fleet of boom trucks, box trucks and flat beds, allows us to deliver quickly to anywhere in New England.

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