Family-owned. Backed by more than 30 years of industry experience. Committed to quality, honesty and an exceptional homeowner experience.
Replacing your roof, siding, or windows shouldn’t feel overwhelming.
At JAGG Roofing, Siding & Windows, we make the process simple, transparent, and stress-free for homeowners across Long Island.
You’ll work with a dedicated project manager from start to finish, clear timelines, and crews who install trusted materials built for our local weather and homes.
If you’re planning an exterior upgrade, we’ll help you get it done right — the first time.
Complete Roofing Solutions.
We install and repair high quality roofing systems to protect your home from leaks, weather, and long-term damage.
We install and repair high quality roofing systems to protect your home from leaks, weather, and long-term damage.
We install energy efficient windows to improve your home’s comfort, appearance, and overall performance year-round.
With decades of hands-on experience serving Nassau County and the surrounding Long Island communities, JAGG Roofing, Siding & Windows has built a reputation for reliable workmanship and honest service. We specialize in roof replacement and repair using proven materials designed to withstand the harsh Northeast climate.
From your first estimate to the final cleanup, our process is built around clear communication, proper installation, and attention to detail. We take the time to make sure every homeowner understands their options and feels confident their home is protected for years to come.
Stay informed with helpful blog articles about roofing, siding, windows, and home exterior protection for homeowners across Nassau and Suffolk County.
Jacob Giannelli Contact Us Today Why Long Island Roofs Need Careful Attention Long Island roofs deal with more than normal age. Coastal storms, salt air,
Jacob Giannelli Contact Us Today Why Roof Replacement Costs Vary on Long Island Roof replacement cost on Long Island depends on the roof size, roofing
Jacob Giannelli Contact Us Today Your roof usually gives warnings before it fails. The problem is that many homeowners do not notice those signs until
