George J. Keller & Sons | Roofing Services in Flanders, NJ 07836

As a GAF Master Elite Roofer and one of only three contractors in New Jersey in the GAF 3-Star President's Club, we bring manufacturer-certified expertise to every roofing job. Since 1980, we've specialized in addressing local issues like roof granule loss and valley leaks common in Flanders homes. Our family-owned business uses products from leading manufacturers like CertainTeed and James Hardie, ensuring durable solutions backed by strong warranties.

Yes, we provide free estimates for all our services including window installation, replacement, and siding projects. As a second-generation family business established in 1980, we take time to assess your specific needs and recommend solutions using quality products from manufacturers like Andersen and James Hardie. Our ten crews serve Northern New Jersey with the same careful attention we've provided Flanders residents for decades.

We address Flanders-specific roofing issues through thorough inspections and proven repair methods. For granule loss, we assess whether it's normal wear or indicates deeper problems, then recommend appropriate repairs or replacement using GAF-certified materials. For valley leaks, we use proper flashing techniques and quality underlayment to ensure water is properly diverted. Our GAF Master Elite status means we're trained in manufacturer-recommended solutions for these common local problems.