Sep 11, 2025
GAF
Part of Standard Industries
Engaged Employer
GAF reviews
56% would recommend to a friend
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).
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Reviews by job title
561 reviews
Aug 26, 2025
GAF Response
8moThank you for sharing your feedback. We're glad to hear you enjoyed the independence in your role and the opportunity to help contractors succeed.
We've noted your concerns about internal dynamics and the effectiveness of our leadership. Creating a fair and supportive environment is a top priority, and we will use your insights to strengthen our management training and mentorship programs. We appreciate you taking the time to provide this valuable input. Feel free to email us at gaf.hrparsippany@gaf.com if you have anything else you'd like to share.
Aug 15, 2025
GAF Response
8moThank you for your review. We're glad you experienced our great culture and supportive leadership firsthand. We also appreciate your feedback on empowerment. We're always working to give our team members more ownership and will use your insight to improve our approach.