Reliable Roofing & Construction

Guaman Builders LLC provides professional roofing, siding, and gutter installation services throughout New Jersey.

We specialize in roof replacement, roof repairs, asphalt shingle roofing, and flat roofing systems, using high-quality materials from leading manufacturers, including:

• GAF
• Owens Corning
• CertainTeed
• TAMKO

As a licensed and insured contractor, we ensure all installations are code-compliant, professionally installed, and backed by manufacturer and workmanship warranties.

In addition to roofing, we also provide vinyl siding installation, exterior siding replacement, and seamless gutter installation, offering complete exterior solutions for homeowners and property owners.

Guaman Builders LLC is a licensed and insured roofing contractor based in Newark, NJ, serving New Jersey since 2009. We specialize in roof replacement, roof repairs, and roof inspections, using premium materials from GAF, Owens Corning, CertainTeed, and TAMKO. 

What sets Guaman Builders LLC apart is our commitment to doing the job the right way. We are a licensed and insured roofing contractor with over a decade of experience, proudly serving New Jersey since 2009.

Unlike many general construction companies, we specialize in professional roofing services, focusing on code-compliant installations, premium materials, and proven systems from trusted manufacturers such as GAF, Owens Corning, CertainTeed, and TAMKO.

We are GAF Certified and TAMKO Pro contractors, which allows us to offer manufacturer-backed warranties and long-term protection for our clients.

Most importantly, we believe in honest communication, detailed estimates, clean job sites, and standing behind our work. Our growing number of 5-star reviews reflects our dedication to quality, professionalism, and customer satisfaction.