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
3.0
Feb 2, 2026

Lots of changes

Recommend
CEO approval
Business Outlook

Pros

Good work life balance. Good leadership.

Cons

Mass layoffs have eroded the culture, Most people are on edge.

4.0
Jan 22, 2026
Recommend
CEO approval
Business Outlook

Pros

Pay, no micromanaging, overtime as much as you want up to 60 hrs, prioritize saftey, laid back atmosphere, 401k

Cons

Depending on which department you work in, you have a rotating schedule (4 week days, 4 week nights, one weekend on, one weekend off). Dealing with fiberglass (again,depending on which dept. you hire into). Some coworkers who cry for just about everything.

Viewing 19 - 21 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.