Johns Manville reviews

3.6

65% would recommend to a friend

(424 total reviews)
avatar

Bob Wamboldt

67% approve of CEO

64% positive business outlook

Johns Manville has an employee rating of 3.6 out of 5 stars, based on 424 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Johns Manville employee rating is in line with the average (within 1 standard deviation) for employers within the Manufacturing industry (3.5 stars).

Reviews by job title

424 reviews
3.0
Aug 3, 2025

Overtime

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Good pay and benefits and good working environment

Cons

Forced overtime and always short staffed

3.0
Jul 22, 2025

good

Recommend
CEO approval
Business Outlook

Pros

salary is medium. Training is good

Cons

Name value. Limited. a lot of people unknown

Viewing 19 - 21 of 424 Reviews

Glassdoor has 460 Johns Manville reviews submitted anonymously by Johns Manville employees. Read employee reviews and ratings on Glassdoor to decide if Johns Manville is right for you.