GAF reviews

3.1

54% would recommend to a friend

(561 total reviews)
avatar

John Altmeyer

38% approve of CEO

41% 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
2.0
Jan 11, 2015

No Loyalty

Recommend
CEO approval
Business Outlook

Pros

Some very talented people. Used to be great place to work.

Cons

Poor Senior Management. Run very lean. Poor benefits. Lot of cronyism at the top.

1.0
Jan 22, 2009
Recommend
CEO approval
Business Outlook

Pros

Decent benefits and corporate campus

Cons

Beurocracy, lack of opportunities for advancement and a general attitude that teamwork won't get you anywhere.

1.0
Jun 4, 2026

Terrible

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Great if you are management, probably

Cons

Terrible leadership at plant Terrible pay Lack of upward mobility

Viewing 55 - 57 of 561 Reviews

Glassdoor has 658 GAF reviews submitted anonymously by GAF employees. Read employee reviews and ratings on Glassdoor to decide if GAF is right for you.