Johns Manville
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Johns Manville Reviews

53 Reviews
53 Reviews
Rating Trends

Recommend to a friend
Approve of CEO
Johns Manville President & CEO Mary Rhinehart
Mary Rhinehart
15 Ratings

    Territory Sales

    • Comp & Benefits
    • Work/Life Balance
    • Senior Management
    • Culture & Values
    • Career Opportunities
    Former Employee - Anonymous Employee
    Former Employee - Anonymous Employee

    I worked at Johns Manville


    This company has great products, very strong brand recognition, and is owned by Berkshire Hathaway. Many employees have been with the company over 25 years, and in many cases they are 2nd, 3rd generation of their family to have worked for JM.


    "Elite class" leadership creates an "us and them" atmosphere within the organization. Many jobs are offered and filled through personal relationships rather than through selection of the most qualified.

    Advice to ManagementAdvice

    Reach out to your subordinates to ensure a culture of a true team atmosphere. Assess individuals' true abilities and fit for a position, rather than promoting friends.

    Positive Outlook
    Approves of CEO

Johns Manville Interviews

Updated Feb 11, 2015
Updated Feb 11, 2015

Interview Experience

Interview Experience


Getting an Interview

Getting an Interview


Interview Difficulty


Interview Difficulty




    Manager Interview

    Anonymous Employee
    Anonymous Employee
    Application Details

    I applied online – interviewed at Johns Manville.

    Interview Details

    This was a phone interview and was the initial screening interview. I had applied to Johns Manville through their online system. For the most part it was a review of my background, but there were a few behavioral type interview questions included.

    Interview Questions
    • Didn't expect behavioral type question on the first phone interview, but I felt I answered OK.   Answer Question
    No Offer
    Positive Experience
    Average Interview

Johns Manville Awards & Accolades

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Additional Info

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Headquarters Denver, CO
Size 5000+ Employees
Operated By Berkshire Hathaway
Founded 1864
Type Subsidiary or Business Segment
Industry Manufacturing
Revenue $2 to $5 billion (USD) per year

Come rain, snow, sleet, hail, and even fire, Johns Manville (JM) keeps its customers protected from the elements. JM produces commercial and industrial roofing systems and formaldehyde-free fiberglass insulation for the commercial and residential building industries. The company also produces residential building insulation as well as specialty insulation for the aerospace, transportation, acoustics, appliance, and HVAC industries. Other offerings include fire-protection systems, thermal and acoustical insulation, glass textile wall coverings, and fibers and nonwoven mats... More

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Johns Manville

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