Homeowners / Residential services
What Does It Mean to Hire a GAF-certified Roofer?
Learn what to look for in a GAF-certified roofer, from installation practices and product knowledge to written warranty terms, with Dior Construction.
Request a BidGAF® manufactures roofing products and offers contractor certification programs. When choosing a roofing installation company, ask about the qualifications relevant to the products and scope of your project.
A roofing system is only as good as the quality of its installation. Entrusting the work to a GAF-certified roofer is the best way to make the most out of your brand-new roof. Let our GAF-certified professionals at Dior Construction show you what you can expect from this kind of service.
Quality Workmanship
Proper installation matters for residential roofing contractors. Ask about training on the roofing system you choose and how the crew follows the manufacturer’s installation instructions. Agree on a schedule that accounts for the work and weather conditions.
GAF Products
GAF roofing materials have specific installation requirements. Product-trained contractors can help you choose appropriate components and install them according to the manufacturer’s instructions. Performance depends on the system, installation and maintenance.
Post-Service Customer Care
Ask which manufacturer and workmanship warranties apply to your project. Review the written coverage periods, exclusions, registration requirements and any inspection provisions before work begins.
Dior Construction is a GAF GoldElite commercial contractor. We are licensed, bonded and insured and have been in business since 2014. Request a quote with the booking form on this page or call (201) 472-5462.

Next step / Start a conversation
Request a Bid
Tell us about your building, the work you are considering and your priorities. A clear scope starts here.
For an active leak, call our team.
(201) 472-5462Bergenfield, NJ 07621
