Johns Manville
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Johns Manville Careers and Employment

About us
Johns Manville is a leading manufacturer of premium-quality insulation and commercial roofing, along with glass fibers and nonwovens for commercial, industrial and residential applications. Our history goes back to 1858, when the H.W. Johns Manufacturing Company began operations out of a tenement building in New York City.

Today, our products are
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What is it like to work at Johns Manville?

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What are people saying about the leadership at Johns Manville?

Picture of Mary Rhinehart, CEO of Johns Manville
of employees approve of Mary Rhinehart’s performance as CEO
CEO Approval is based on 146 ratings
Not a functioning team environment
Written by Manager Human Resources (Former Employee) from Innisfail, AB on 16 February 2020
The directors were not accessible. Hoarding of information was the norm, I was not set up for success by my director. There was zero continuity and an unchangeable culture there was diversity on the plant floor but zero in the leadership or admin/office staff. This is regarding the Alberta Canada plant.
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