GAF reviews

3.2

56% would recommend to a friend

(561 total reviews)
avatar

John Altmeyer

40% approve of CEO

43% positive business outlook

GAF has an employee rating of 3.2 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
5.0
Apr 1, 2026
Recommend
CEO approval
Business Outlook

Pros

Fantastic place to work. Especially operations. Smart, process oriented individuals. Good pay and benefits.

Cons

Corporate can be a bit disconnected from the plant operations. But this is expected at any distributed manufacturing organization.

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 13 - 15 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.