Joint Treatment, Firestop
Compounds, and Interior Finishing
Common joint treatment and interior finishing products include joint compound, drywall mud, and interior plastering.
Regardless of your project size or budget, L&W Supply is your trusted partner, with the necessary joint treatment and interior finishing products you need to complete your next project. Our local branches stock top brands of ready-mix joint compounds, setting compounds, primers, and more. With our large inventory of standard and specialty items, we’re prepared to meet your project’s unique requirements.
Some of the most popular Joint Treatment & Interior Finishing products we carry:
- Corner Beads, Trims, and Tape
- Drywall and Interior Finishing Accessories
- Drywall Finishing Trims
- Firestop Finishing Compounds
- Plastering Products and Systems
- Ready-Mix Joint Compounds
- Setting Compounds
- Textures and Primers (Walls and Ceilings)
Looking for a hard-to-find product or have a question?
Let our knowledgeable team help. As a leading national building supply distributor, we’re invested in delivering the products and service you need to succeed.
Brands We Carry
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Questions? We’ve got answers. Our team is here to help, from quotes to sourcing hard-to-find materials and handling warranties. We’re your construction partners.
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- Certainteed (opens in a new tab) (March 3, 2025)
- CertainTeed (opens in a new tab) (February 10, 2025)
What’s New
L&W Supply Announces New President
Frank Marcoccio will succeed Dan Piché as president of L&W Supply, effective January 1, 2026 BELOIT, WI — October 1, 2025 — ABC Supply Co., Inc., announced Frank Marcoccio will succeed Dan Piché as president of L&W Supply, a nationwide wholesale distributor of interior building materials and construction supplies. This transition will be effective January 1, […]
Mastering Interior Finishing: Choosing the Right Drywall and Joint Compounds for Every Project
How to Select Materials That Will Deliver Professional Results and Long-Term Performance Interior finishing is where construction projects transform from structural frameworks into functional spaces. Exceptional interior finishing starts with selecting the right drywall and joint compounds for a project. These decisions directly affect durability, aesthetics, and overall project success. Whether you’re working on an […]