Concrete Masonry Units (CMU)

Cemstone offers a complete line of Concrete Masonry Units (CMUs) to meet any need, from big-box retail to residential construction. Manufactured in Medford, Minn., by North Star Stone and Masonry, our CMUs feature a wide range of weights, sizes, shapes, colors, textures and exposed surface treatments for virtually any architectural or structural application–including retaining walls, veneers and masonry block.

We can handle your biggest job. Using locally sourced materials, North Star Stone & Masonry operates two production machines with a total annual capacity of more than 5 million CMUs. Twelve delivery vehicles ensure fast service anywhere in Minnesota, western Wisconsin and northern Iowa .

Who to Contact

Give your local North Star Stone and Masonry sales manager a call. Whether you have a simple question or a signed P.O., these professionals are the cornerstone of your next solution: 

• Denver O’Brien
  West Twin Cities Metro
  North Star Stone and Masonry
  612-812-0082
   
• Doc Boerner
  Medford
  North Star Stone and Masonry
  800-562-6633
   
• Joe Donadio
  Rochester
  North Star Stone and Masonry
  507-252-1129
   
• Tony Alstat
  Rochester
  North Star Stone and Masonry
  507-252-1129
   
• Mike Grayson
  Medford
  North Star Stone and Masonry
  800-562-6633

You can also stop by your local Cemstone Contractor Supply Store. We stock everything from 4” regulars to 12” flat ends, CCS also carries a complete line of professional grade masonry products and rental equipment. Click on the CMU Map for the location nearest you.

• Aggregates
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Brick & Stone
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Concrete in Practice
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Concrete Masonry Units
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Concrete Structures (ICFs)
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Contact Us
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Contractor Supply
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Credit
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Decorative Concrete
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Downloads
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Engineering Services
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Events and Training
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Industry Links
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Maps & Directions
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• My Cemstone
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Ordering Aggregate
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Ordering Concrete
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Performance-Based Concrete
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Placing Services
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Products
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Project Gallery
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Request a Quote
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart 
• Training Calendar
  • 10-Inch Block Test 
  • 12-Inch Block Test 
  • 14-Inch Block Test 
  • 16-Inch Block Test 
  • 4-Inch Block Test 
  • 6-Inch Block Test 
  • 8-Inch Block Test 
  • Block Manual 
  • Locations Map 
  • Masonry Supply Inventory Chart