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New Castle, Delaware

Drywall, Acoustical Tiles, Insulation & Steel

Capitol Building Supply – New Castle, DE

3025 Bowlarama Drive
New Castle, DE 19720
Phone: 302-501-6020
Fax: 302-561-9640
Hours: 6:30am - 4:00pm

New Castle’s Top Construction Products - Capitol Building Supply

Capitol Building Supply, Inc. (CBSI), a GMS company, is your trusted source for construction materials across DE, MD, NJ, PA, VA, and D.C. CBSI covers the commercial and residential construction needs of builders in New Castle, and throughout the Mid-Atlantic region.

In all our yard locations, you’ll find everything you need for your building, improvement, and renovation projects – from large quantities to single products or even specialty order items.

Our New Castle construction yard on Bowlarama Drive stocks a large, diverse inventory of best-brand products from the industry’s top manufacturers, including:

  • Access doors
  • Acoustical ceiling tiles
  • Caulking and adhesives
  • Construction accessories
  • Drywall
  • EIFS and exterior finishes
  • Fasteners
  • Firestop products
  • FRP panels
  • Insulation
  • Joint treatments and finishes
  • Power tools and hand tools
  • Safety supplies
  • Steel studs and track
  • Surface protection

The best steel, acoustical tile, insulation, or drywall in New Castle, DE? CBSI is where you’ll find it all.

New Castle’s Top Drywall Selection

Looking for drywall in New Castle, DE? Capitol Building Supply has Delaware’s best wall board inventory for types I-V construction uses. We stock a complete line of gypsum drywall materials, including wallboard and Sheetrock® products and accessories. Visit our New Castle, DE yard for drywall options that include:

  • Standard drywall
  • Lightweight drywall
  • Moisture- and mold-resistant drywall
  • Non-paper faced drywall
  • Fire-rated drywall
  • Impact-resistant drywall
  • Glass mat panels
  • Specialty wallboard products

Not sure what products or accessories you need? Our expert staff can help you select the right drywall materials for your project needs.

All the Steel Framing and Accessories You Need in New Castle

Capitol Building Supply offers one of the largest in-stock steel inventories in New Castle. All the light- and heavy-gauge steel products Delaware builders need are right here, including steel studs, tracks, struts, framing, decking, steel channel and more. CBSI partners with leading steel manufacturers to bring you top-rated products from brands like:

  • ClarkDietrich®
  • MarinoWare®
  • TSN

The Best Acoustical Tiles in New Castle

Transform your interior or exterior spaces with the best selection of acoustical tiles and panels and other soundproofing solutions in Delaware. Shop for acoustical ceiling tiles at Capitol Building Supply on Bowlarama Drive in New Castle, DE and discover options that include:

  • Flat grid acoustical panels
  • Decorative acoustical profiles
  • Drywall grid systems
  • Axiom perimeter trims
  • Mineral fiber tiles
  • Fiberglass tiles
  • Architectural ceiling tiles
  • Translucent acoustical panels
  • Linear metals and woods

We also carry custom Architectural Specialties acoustical ceiling solutions using panels and canopies, including lines from industry leader Armstrong® such as SoundScapes, Ekos, MetalWorks, Infusions, Woodworks, and SoundSoak.

Buying Insulation in New Castle

Capitol Building Supply is one of Delaware’s top insulation supplies providers for commercial and residential building projects. From large job sites to small homes, CBSI has all the insulation products and tools you need to get the job done right. We offer a full range of quality insulation solutions for both interior and exterior applications, including:

  • Batt/roll insulation
  • Rigid foam board insulation
  • Loose-fill and blown-in insulation
  • Heavy density fiber insulation
  • Fiber glass insulation
  • Mineral wood insulation
  • Polyisocyanurate
  • Extruded and expanded polystyrene

We carry New Castle’s best insulation selection, including products from major insulation manufacturers like CertainTeed®, Guardian, Knauf®, Owens Corning, Rockwool®, and Thermafiber®.

Let our experienced staff help you choose the proper insulation for your specific job site requirements, including the correct R-value.

From Our Yard to Your Job

Our staff of experts bring decades of combined experience in the construction industry to help our customers find the exact products they need.

Let Capitol Building Supply on Bowlarama Drive in New Castle be your number one resource for Delaware building materials. Our yards across DE, VA, MD, NJ, PA, and D.C. offer a large in-stock selection of products that are ready for immediate pickup. We also offer delivery to your jobsite, on time, with full stock and scatter service.

Capitol Building Supply – New Castle, DE

3025 Bowlarama Drive
New Castle, DE 19720
Phone: 302-501-6020
Fax: 302-561-9640
Hours: 6:30am - 4:00pm

Need to talk to an expert to help with your next project?

Experienced and helpful customer service representatives are standing by ready to help.
call CONTACT US
About Us

Teaming up with the top brands in the industry, we have one simple pledge: to get the right products into our customers' hands as quickly and safely as possible.

Our Services

Capitol Building Supply carries a full range of commercial and residential construction supplies, and our crews are fully trained to deliver to all sites.

Our Locations

Our delivery fleet is dispatched from 20 locations including three yards in Delaware (Dover, New Castle, Selbyville), seven yards in Maryland (Baltimore, Beltsville, Bladensburg, Frederick, Gaithersburg, Hagerstown, Upper Marlboro), two yards in New Jersey (Atlantic City, Camden), one yard in Pennsylvania (Harrisburg), six yards in Virginia (Manassas, Marshall, Springfield, Stafford, Vienna, Winchester), and one yard in Washington, D.C.

Contact Us

For more information about how to contact us, visit our Find a Yard page. Or, click the Contact Us tab to send us an email.