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Joint Treatment and Finishes

Premier Drywall Finishing Supplies in MA, CT, ME, and NH

NE Gypsum and Robert Karpp

Construction professionals in Massachusetts, Maine, Connecticut, and New Hampshire have known for decades – for the best selection of joint treatment and finishes in New England, there are two great choices that truly stand out:

New England Gypsum (NEG) – serves residential and commercial construction customers through its building supply yards across New England (Hartford, CT; South Portland, ME; and Manchester, NH).

Robert N. Karpp Company (Karpp) – serves commercial and residential builders through its construction materials yards across Massachusetts (Abington, Attleboro, South Boston).

Together as part of the GMS family of companies, unified in a commitment to exceptional customer service, the combined reach and resources of NEG and Robert Karpp brings you:

New England’s Best Joint Treatment and Finishes

New England Gypsum and Robert N. Karpp Company carry a full selection of all-purpose and specialty drywall mudding products for both commercial and residential construction sites. Some of the products we offer for delivery or pickup include:

  • All-purpose drywall mud – a gypsum dust mixed with water that is used to cover drywall seams
  • Ready-mix joint compound – helps embed tape, finish joints, and add texture
  • Setting compound – a multipurpose drywall mud that is useful for filling, smoothing, and finishing your walls
  • Taping joint compound – a drywall tape that is available in paper (non-adhesive) and fiberglass (self-adhesive and good for stucco), and is used to seam drywall joints
  • Drywall accessories – drywall tools and complements including 90-degree and bullnose drywall cornerbead, trim, and more

Buy Quality Joint Treatment at NEG and Karpp

All the drywall and wallboard finishing accessories you need for your commercial or residential building projects are right here. New England Gypsum and Robert Karpp carry a full line of gypsum and cement board, plasters, finishes and accessories from top manufacturers, including:

  • Continental™ Building Products – standard, fire-rated, mold, and impact-resistant drywall solutions and accessories
  • National Gypsum® – ProForm® ready-mix and setting compounds, firestop compounds, spray textures, tapes, and other drywall accessories
  • USG™ – joint compounds in various weights, joint tapes, beads, trims, and other drywall finishing solutions

Trust our knowledgeable professionals to help you find exactly what you need for your job.

Joint Treatment and Finishes Delivered to New England Jobsites (MA, ME, NH, CT)

New England Gypsum and Robert N. Karpp Company deliver! That’s why when you have joint treatment and finishes delivered directly to your commercial or residential worksites in Massachusetts, Maine, Connecticut, or New Hampshire, you can rely on us to also provide:

Call us or visit one of our New England construction yards today.

Start Your New England Drywall Projects with Quality

NEG and Robert Karpp also supply all types of wallboard.

View our full selection of drywall.

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

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About Us

We have one simple pledge: to get the right products into customers' hands all across New England, as quickly and safely as possible.

Our Services

NEG and Karpp carry and deliver a full range of commercial and residential construction supplies from the best brands in the business.

Our Locations

Our delivery fleet is dispatched several New England construction yard locations including Hartford, CT; South Portland, ME; Manchester, NH; and Abington, Attleboro, and South Boston, MA.

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.