Wholesale Insulation Supplier in Baltimore, MD

7460 New Ridge Road, Suite 300
Hanover, MD 21076

Why Make IDI Baltimore Your Wholesale Insulation Supplier

If you are a residential or commercial contractor in the Maryland area, IDI is the wholesale insulation supplier your Baltimore business needs to stay successful. Our wide inventory of leading insulation products, equipment and training resources makes us the go-to insulation supplier for contractors nationwide.

Contact Us

Or Call us at 410-593-3675

The best insulation distributor in Baltimore.

If you are looking for the Washington D.C. location we are sorry to inform you that it is no longer in service. Our Baltimore, MD location will now be serving the Washington D.C. area. For any questions or concerns about the closed location, contact our Baltimore, MD branch.

IDI logo on glass door of white building

Who we are

At IDI, our motto is, “We work for you!” So, you can rest assured the wholesale insulation products we carry are top-notch, and the hands-on training we can provide your team with covers every aspect of your new equipment. Get industry-leading support when you’re choosing equipment and materials for your projects. But, most importantly, feel confident your work will be up to the standards your clients expect and never worry about missing a deadline with our fast on-site delivery.

Are you ready to get started?

Contact our team today to experience the IDI difference, and see why contractors have made our Baltimore team their dedicated insulation supplier.

Contact IDI of Baltimore

Baltimore Specialties

Our services outmatch any insulation supplier in the Baltimore area and beyond. IDI of Baltimore combines a broad selection of industry-leading products with fast service to support insulation contractors in every way possible. View our services and flexible options to see why IDI is the top choice for wholesale insulation suppliers in Baltimore.

Spray foam rigs in the back of a semi trailer

In-Person Training

Person in protective gear holds spray foam insulation gun

Rig Eval Events

One person demonstrates how to install spray foam insulation while another looks on

On-site Tech Support

Additional Specialties

  • Stocking help on all jobs
  • Bilingual staff
  • Commercial and residential insulation supplies
  • Quick turnaround times on deliveries
  • Roofing foams, coatings, supplies & metal building insulation
  • Graco, Krendl, PMC and more leading-brand equipment in stock
Man installing pink fiberglass insulation

Top Selling Products

Two packs of pink Owens Corning Raft-R-Mate leaned against a wall with exposed insulation.


Two cans of Handifoam Fireblock


A black piece of metal bent at a 45 degree angle 1/3rd of the way up with grooves on either side.


White Honeywell supplied air hood

Honeywell Supplied Air Hoods

Husky contractors sheeting product packaging


Areas we serve

Our staff is focused on one thing — getting you the right products and resources as soon as possible to save you time and money. We have a core delivery radius of 200 miles, meaning you will often get your materials within 36 hours of ordering. Take a look at the main areas we serve:


Baltimore, MD

7460 New Ridge Road, Hanover, MD 21076, USA


Have a question on anything insulation, pricing, or want to place an order? With hundreds of products and countless services, our experts will help walk you through the process of getting ready for your next project. Get in contact with our team today for help and guidance on the right products and best techniques for you and your business.