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
5.0
Jan 20, 2026

Good company

Recommend
CEO approval
Business Outlook

Pros

Good Benefits Good pay Lots of pto available

Cons

Not too much room for growth

4.0
Nov 13, 2025
Recommend
CEO approval
Business Outlook

Pros

The people at the company are great; you will find legitimate friends, and in most departments, you will enjoy your time working there.

Cons

Very little upward mobility; it's hard to find open spots in higher positions within the organization.

Viewing 241 - 243 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.