For more than 30 years Fontana Roof has been manufacturing asphalt based underlayment for the roofing community and homeowners.
We proudly stand by our products knowing that we manufacture the highest quality underlayment available and pride ourselves in being transparent, accessible and honest.
As one of the most advanced manufacturers of organic felts and S.B.S. polymer modified asphalt underlayment, we utilize some of the most technologically advanced equipment developed to ensure consistency and quality.
While you’re checking out our website, be sure to take a look at our leak warranty program for our VulcaSeal G40 and VulcaSeal Organic Base 40# as well as our full range of underlayment products to find the best one that suits your needs.