2970 Mokumoa Street Honolulu, HI 96819

Mon - Fri: 6:00am - 2:30pm Sat - Sun: Closed

P: 808-836-1161 F: 808-833-4291

Please note that this location will close for inventory on October 23, 2026. Friday deliveries will not be affected, and normal business hours will resume on Monday, October 26th. We apologize for any inconvenience this may cause. Please reach out if you have questions or need assistance!

J&B Materials is your trusted source for construction materials in Honolulu, HI. As part of the GMS family of companies, J&B delivers quality commercial and residential building supplies from our yard locations in Hawaii and California.

J&B Materials serves Oahu construction customers in Honolulu and surrounding areas like Pearl City, Ewa, Kapolei, and Kailua. Our building supply yard on Mokumoa Street offers a diverse inventory that includes:

• Access Doors

• Acoustical Ceiling Tiles

• Caulking & Adhesives

• Drywall

• EIFS & Stucco

• FRP

• Fasteners

• Firestop

• Insulation

• Joint Treatments

• Lumber

• Manufactured Stone

• Safety

• Steel Studs & Tracks

• Surface Protection

• Tools

At J&B Materials, we work hard to provide the best drywall options in Hawaii, for types I-V construction uses. In Honolulu, HI, J&B offers a wide range of standard drywall, glass-mat panels, and specialty products including:

• Regular & Type X drywall

• Impact-resistant wallboard

• Fire-rated drywall

• Mold-resistant drywall

• Tile backer

• Shaftwall liner

• Sheathing

• Specialty drywall products

Ask our expert staff and let them help you select the right drywall materials for your Hawaii construction projects.

J&B Materials offers one of the largest in-stock inventories of steel framing, steel studs, track systems, and steel accessories in Hawaii. We partner with leading steel manufacturers like ClarkDietrich®, CEMCO™, and Simpson Strong-Tie® to bring you top-rated products.

We also offer inclusive manufacturer support for all our products, so you can have full confidence when you buy steel from J&B Materials in Honolulu. Steel and all other building materials from J&B can be delivered straight to your commercial or residential jobsite.

Visit our Mokumoa Street yard in Honolulu, HI, and browse our full inventory of acoustical ceiling panels. J&B Materials is a proud distributor of quality USG acoustical grid and tile products, as well as:

• Angled tegular

• Beveled tegular

• Narrow reveals

• Trim panels

• Shadowline beveled and tapered

• Square lay-in

• Square tegular

Shop for ceiling tiles at J&B’s Honolulu location and let our experts help you find exactly the right acoustical products for your Hawaii building projects.

J&B Materials is a top provider of insulation supplies for commercial and residential building projects in Hawaii. For insulation projects of any size, J&B has what you need to get the job done right. We offer a full range of quality insulation solutions in Honolulu, HI, for both interior and exterior applications, including:

• Batt insulation

• Foil/FSK

• Rigid foam board insulation

• Loose-fill and blown-in insulation

• Mineral wool insulation

• Kraft-faced insulation

• Unfaced insulation

Our products come from the best insulation brands—manufacturers like CertainTeed®, Johns Manville, and Owens Corning. Let our experienced staff help you choose the proper insulation for your specific jobsite requirements, including the correct R-value.

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

Let J&B Materials on Mokumoa Street in Honolulu be your number one resource for local building materials. Our Hawaii construction yard offers a large in-stock selection of products ready for immediate pickup. We also offer delivery to your jobsite, on time, with full stock and scatter service.

Need drywall, steel, acoustical ceiling tile, insulation, or other construction products in Hawaii? Shop at J&B Materials in Honolulu, HI, for construction supplies from the building industry’s best manufacturers.