Quality Inspector

Who We Are

Johns Manville is a leading manufacturer and marketer of premium‑quality insulation and commercial roofing, along with glass fibers and nonwovens for commercial, industrial and residential applications. Our products are used in a wide variety of industries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing and wind energy.

A proud member of the Berkshire Hathaway family of companies, we serve customers in more than 80 countries around the globe. We are committed to delivering positive and powerful experiences, because we are successful only when our employees and customers thrive. We are passionate, we care about people, we perform at a superior level, and we protect others and our environments.

The base hourly rate for this position is $24.88.

Quality Control Inspector

Cheryl Bjornstrom and Jason Schultz

UAW‑ Hourly

6/17/2026

Responsible for performing all duties on a professional level and complying with the Quality Manager, under direct supervision of the Shift Supervisor. Working from general instructions from the plant management team, and all levels within the organization in support of the four Johns Manville core values:
People, Passion, Performance, and Protection.

The following job functions are to be performed in accordance with the spirit and philosophy contained within the Operating Policy and in accordance with Company Policy:
Supports and promotes safe practices and environmental commitments in alignment with company commitments, policies, and compliance requirements. Work in a safe manner and look out for your co‑workers. Follow safety guidelines in the Defiance complex. Wear proper PPE. Follow all general shop rules for the Defiance complex. Attend all monthly safety meetings. Complete safety/beware audits on a monthly basis. Complete computer‑based training and all other programs needed to stay in compliance with company policies.

Performs various physical tests inspection testing such as density, thickness, fiber diameter, ignition loss, moisture loss, dust test, facing adhesion, wool coverage checks, recovery, length and width, roll diameter, color, wool delamination’s and other required tests on in‑process material or finished products for adherence to Plant Manufacturing Specifications. Also, performs testing of test product trials. Obtains and/or prepares specific types or sizes of samples and performs tests according to prescribed procedures.

This may consist of using scales, muffle ovens, micron Aire unit, thickness gauges, blower coverage unit, dust test unit, facing adhesive tester and other laboratory testing equipment. Performs measurements and calculations to complete the necessary tests. Advises operating personnel of test results. Documents results on a computer or hard copy as necessary. Inspects in‑process material and finished products for visual defects, workmanship and adherence to specifications.

Identifies defective or questionable material for further inspection or disposition. Advises Machine Chief and/or Supervisor of adverse inspection results. Responsible for Hold Ticket Activity as necessary. Quality audits as defined by the specific plant and customer requirements. Records data and results of work prescribed manner and performs duties necessary to maintain proper records relative to work performed. Summary shift reports performed as defined by the specific plant requirements.

As directed, instructs new or lesser experienced employees on the job. Keeps equipment and work areas clean and orderly at all times. Observes equipment for unusual or faulty operation and promptly notifies supervisor, shift mechanic or technician based on the repair/maintenance need. Performs other duties as directed.

• Demonstrated ability to follow safe work practices and procedures
• Meeting timelines and deadlines
• Effective communication skills with fellow employee’s and/or department personnel
• Demonstrated ability to complete tasks and required documentation timely and accurately
• Overall attendance,…