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Commercial Doors & Hardware

Serving all of Massachusetts & parts of New England.

Your One-Stop Shop for Commercial Doors and Hardware in Boston and Beyond

From our four Massachusetts yards, the Robert N. Karpp Company offers customers throughout New England a complete selection of commercial doors, frames and hardware.

Doors for Nearly Any Place or Project

Whether you need a single door, or multimillion dollar packages of doors for large-scale commercial or mixed-use construction projects, we’re here to help. The Robert N. Karpp Company has provided quality doors and door hardware for:

  • Retail and industrial buildings
  • Water treatment facilities
  • Schools & colleges
  • Hospitals
  • Office fit-outs
  • Auto dealerships
  • Military and VA facilities

Quality & Variety – Karpp Has All Your Door & Hardware Needs

Choose from our complete selection of quality door solutions, as well as a full line of Division-10 products, including:

  • Hollow metal doors and frames
  • Architectural grade wood doors
  • Stile and rail wood doors
  • Fiberglass doors and frames
  • Interior aluminum doors and frames
  • Pre-hung doors
  • Fire-resistant doors
  • Bathroom partitions and accessories
  • Finish hardware
  • Welded & knock-down frames
  • Ballistic doors

Please note: We do not currently sell overhead doors, aluminum storefront materials or windows.

At The Robert N. Karpp Company, you’ll find doors and door hardware products from every major manufacturer, including but not limited to:

  • ABH Hardware
  • All Allegion Lines
  • Algoma Wood Doors
  • Air Louver Vision Kits and Louvers
  • American Partitions
  • All Assa Abloy Lines
  • Apex Doors and Frames
  • ASI Washroom Equipment
  • Best Hardware
  • Bobrick Toilet Partitions & Accessories
  • Cal Royal Hardware
  • Corbin-Russwin Hardware
  • De La Fontaine Industries
  • DonJo Hardware
  • Dorma Hardware
  • Falcon Hardware
  • Graham Wood Doors
  • Hadrian Toilet Partitions
  • Hager Hardware
  • Harring Doors
  • LCN Door Closers
  • Lambton Doors
  • Masonite Doors
  • National Guard Products
  • Norton Door Closers
  • Pemko Weatherstripping and Thresholds
  • Philipp Manufacturing
  • Precision Hardware
  • Rixon Hardware
  • Rockwood Hardware
  • Schlage Hardware
  • Stanley Hardware
  • Special-Lite, Inc.
  • Steelcraft Doors & Frames
  • True Stile Doors
  • USA Wood Doors
  • VT Industries
  • Von Duprin Hardware
  • WGM Glass and Mirror
  • Yale Hardware

Robert N. Karpp – Your New England Door & Hardware Experts

At Robert N. Karpp, the mission of our managers, estimators, warehouse pros and drivers is your satisfaction. When it comes to commercial doors, hollow metal or wood doors, finish hardware and more, put our project managers’ combined 150+ years of experience to work for you!

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

Experienced and helpful customer service representatives are standing by ready to help.
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

New England Gypsum carries a full range of commercial and residential construction supplies, and our crews are fully trained to deliver to commercial sites.

Our Locations

Our delivery fleet is dispatched from locations across the New England area including yards in Connecticut, Maine, Massachusetts and New Hampshire.

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.