John J. Griffin Roofing is a Certified roofer with GAF.
GAF is North America’s largest* roofing manufacturer, with over 125 years of expertise in helping property owners and managers make their best and safest roofing choices. GAF products can deliver on any customized solutions.
John J. Griffin Roofing stands behind GAF roofing products, you can count on consistency and the highest quality the industry has to offer.
John J. Griffin Roofing offers:
- Multiple roofing technologies and solutions for both steep and low slopes
- Lifetime Warranties
- A comprehensive Preventative Maintenance Program
- Job site inspections conducted by experienced inspectors
- Economical roofing and repair solutions
Don’t trust the integrity of your home and roofing system to amateurs and shoddy workmanship.
Trust your most valuable asset to John J. Griffin Roofing
Our Preferred Shingles Are Weather Tested!
Extreme Weather Tested
Extreme Shingle Testing
Brought to you by . . .
. . . John J. Griffin Roofing
This video gives you the inside scoop on how GAF shingles are weather tested.
John J. Griffin Roofing makes sure to use the best materials to protect your biggest asset – your home.