Demo Plus, Inc., is a fast, flexible, innovative provider of refractory products, specializing in custom refractory product applications. Whatever your refractory requirements are, Demo Plus can offer a solution with no wait, hassles or corporate red tape.

Demo Plus is comprised of experienced and technically skilled individuals who provide personalized refractory demolition and installation solutions to many industrial markets across the Midwest. When choosing the proper refractory, we analyze both the environment the material must withstand and the variety of applications it will undergo.

Refractory Capabilities

  • Form and Pour
  • Pumping Castables
  • Shortcrete – Wet or Dry (Gunite)
  • Ramming Refractory Plastics
  • Precast Shapes
  • Firebrick Masonry
  • Dry Vibe Refractions



Proper foresight and planning prolongs the life of a lining and saves customers significant capital. As a smaller, experienced refractory contractor, we are able to offer competitive pricing and provide highly personalized customer care. Offering best-in-class service and high-caliber materials creates an environment of safety and success for our clients.

Refractory Materials

  • Ceramic
  • Fiber
  • Firebrick
  • Plastics
  • Castables
  • Mortars & Patch Mixes
  • Gunning & Shortcrete Mixes 

Our Work

Satisfied Clients

“Pope Douglas has used Demo Plus for roughly ten years now. They have basically replaced all the refractory in all three of our Garbage incinerators and boilers. Demo Plus is very knowledgeable when it comes to what refractory will work best for different applications. Demo Plus has helped our company out in some emergency situations over the years. Demo Plus has also done numerous insulation jobs for us over the years. Anything from covering steam pipes to covering full pieces of equipment. They do a fantastic job  I would highly recommend Demo Plus for your Refractory and insulation needs. I plan on using them for many more years to come.”

Karl F.

Plant Maintenance Manager

“The Perham Resource Recovery Facility has been utilizing the talented group from Demo Plus for many years now. Demo plus has worked with our staff by listening to our struggles and then coming up with very innovative ways of correcting those issues. From the top down they have a very enthusiastic staff that is very professional and efficient at what they do. I look forward to working with them for years to come. Would highly recommend Demo Plus.”


Plant Manager

“Demo Plus has exceeded my expectations managing all our refractory repairs.  Their costs are very competitive, and they have always completed their work scope on time.”

Corey S.

Maintenance Manager

“Demo Plus takes the time to build relationships and helps develop timely and credible plans to address challenges.  This is the type of company you want to work with.”

Matt Q.

Plant Manager


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