
JANUARY IS NATIONAL GYPSUM® MONTH AT CAPITOL MATERIALS
For customers across AL, FL, GA, LA, and MS
For drywall and other construction products that help build a better future, local contractors and builders know that National Gypsum® is the preferred choice.
Capitol Materials is kicking off the new year with a celebration of excellence featuring several high-quality wallboard products from National Gypsum.

Gold Bond® Soundbreak XP®
Where mitigating sound transmissions from one space to another is a priority, Gold Bond Soundbreak XP offers exceptional performance.
- Provides high-rated Sound Transmission Class (STC) values
- Delivers extra protection against mold and mildew
- Features high-density, moisture-resistant gypsum board covered with PURPLE® paper and laminated with sound-damping viscoelastic polymers
- Installs easily without additional clips or channels

Gold Bond® XP®
Ideal for all interior applications, including walls and ceilings, XP starts with the gold standard in moisture-resistant gypsum board, then adds mold resistance inside (core) and out (paper).
- Approved for use in exterior soffit applications
- Effective tile backer in areas with limited or no moisture
- Appropriate for interior wall and ceiling applications within wood or steel frame construction
- Best-possible mold inhibition scores per ASTM D3272 and ASTM G21

Gold Bond® eXP®
As a substrate for exterior cladding, eXP sheathing attaches to the outside of walls or soffit framing and provides excellent mold and moisture resistance.
- Mold- and moisture-resistant gypsum core encased in PURPLE® fiberglass mat
- Includes GridMarX® guide lines for easy measuring and cutting
- Fire-resistant, non-combustible gypsum
- Ideal for sheathing in wood or steel framing as well as for use under wood, vinyl, fiber cement, masonry, EIFS, and stucco

Gold Bond® Shaftliner XP®
Shaftliner XP is used to construct lightweight fire barriers for cavity shaft walls, stairwells, and area separation fire walls in multifamily housing.
- Easy to cut for quick installation
- SPORGARD® technology adds extra mold-inhibiting properties
- UL Classified for fire resistance and surface burning characteristics
- Best-possible mold resistance ratings per ASTM G21 and ASTM D3273

PermaBASE® Cement Board
Crafted from Portland cement, aggregate, and fiberglass mesh, PermaBASE cement board combines durability and moisture resistance to provide excellent underlayment for a variety of interior or exterior applications.
- Lightweight and easy to cut
- Industry-leading water absorption rating (ASTM C473) and mold testing (ASTM D3273 / ASTM G21)
- Resists impact and remains dimensionally stable
- Ideal for showers, saunas, kitchens, bathtubs, accent walls, outdoor living spaces, continuous insulation, and more
Capitol Materials – Your Go-To Provider for Drywall Supplies & More
Southern builders and contractors: Celebrate National Gypsum Month with us or call on Capitol Materials anytime. We’re here to help.
About Capitol Materials
A proud member of the GMS family of companies, Capitol Materials offers commercial and residential customers the best quality construction supplies in AL (Birmingham, Calera, Dothan, Madison, Tuscaloosa), FL (Panama City, Milton), GA (Atlanta, Albany, Athens, Columbus, Cumming, Duluth, Gainesville, Macon, Marietta, Palmetto) LA (Baton Rouge, LaPlace), and MS (Ocean Springs). Our employees pride themselves on being hard-working, safe and professional. Whether you need drywall, insulation, acoustical tile, tools, or other construction accessories, Capitol Materials has your Southern construction needs covered.
About National Gypsum
Headquartered in Charlotte, NC, National Gypsum is a global leader in producing quality gypsum board products and the second-largest wallboard producer in the United States. With over 40 operating plants, mines, quarries, and support facilities across the U.S. and Canada, National Gypsum is uniquely positioned to lead and succeed in our industry.