GAF reviews

3.1

52% would recommend to a friend

(561 total reviews)
avatar

John Altmeyer

37% approve of CEO

40% positive business outlook

GAF has an employee rating of 3.1 out of 5 stars, based on 561 company reviews on Glassdoor which indicates that most employees have a good working experience there. The GAF 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

561 reviews
1.0
Mar 25, 2026

job

Recommend
CEO approval
Business Outlook

Pros

just a job to pay the bills

Cons

they work you very hard

Viewing 130 - 132 of 561 Reviews

Glassdoor has 659 GAF reviews submitted anonymously by GAF employees. Read employee reviews and ratings on Glassdoor to decide if GAF is right for you.