Fire Protection Fabrication Shop


Our state of the art fire protection fabrication shop prefabricates piping and components for installations across the nation. Prefabrication improves the efficiency and accuracy of your projects to make even the most challenging deadlines manageable. We offer a wide variety of fire protection fabrication services such as fire sprinkler pipe fabrication and more. To maximize efficiency and ensure the highest quality is maintained, we manage the entire shipping and delivery process.

In addition to offering offsite fire sprinkler pipe fabrication, Ahern offers a wide range of other capabilities to support your fire protection needs including design, installation, maintenance, inspection, and repair. We have a team of NICET certified designers, in-house fabrication resources, and experienced field teams to meet your project needs quickly, accurately, and on budget.

We can also provide other prefabrication services and mechanical capabilities including pipe fabrication, and the design, installation and service of plumbing systems, HVAC systems, and building controls. Our industrial services provide a full range of solutions for industrial and manufacturing process environments including industrial installation, repair and replacement, machine automation, and fabrication. 

Founded in 1880, Ahern has over 1,700 employees specializing in pipe fabrication, mechanical, and fire protection contracting. You can rely on our expertise and experience. Contact Ahern today for your project needs!


In 2023, we prefabricated orders for over 316,000 sprinkler heads. The average turnaround time was 2.77 days with 99.8% on-time delivery.

I was very pleased with Ahern’s workmanship and schedule. Everything was done on time and within the budget.

Fire Protection Fabrication Shop Features& Capabilities

  • Combined square footage of 397,000 sq. ft. with over 36 acres of laydown yard across our Appleton and Fond du Lac facilities
  • 1/2" through 12" pipe diameter capability
  • Wall thicknesses up to Schedule 80
  • Black, galvanized, and stainless steel piping
  • MIG and automated NAP weld machines
  • Three plasma cutters
  • Pipe threading (1/2" through 6" capability)

Fire Protection FabricationShop Overview


Since 2016, Ahern has completed over 470 fire sprinkler projects in food and beverage facilities.

Ahern did a fine job on this project. Everything was completed on time and all issues were addressed immediately.
Tom Rizzo Project Manager Bauer & Raether Builders