Serving Farmingdale & Nassau-Suffolk County

Expert Sheet Metal Fabrication in Farmingdale, NY

Trusted by HVAC contractors and businesses throughout Farmingdale, Bethpage, and Melville. Precision ductwork, adaptor curbs, and custom fabrication delivered to your job site.

Get a Free Quote View Our Work
20+
Years in Business
100%
Client Satisfaction
Free
Quotes & Estimates
Free
First Order Delivery
Why Choose Us

Why Farmingdale Chooses All Island Sheetmetal

Your neighborhood fabrication shop, just minutes away in West Babylon.

All Island Sheetmetal shop near Farmingdale, NY

Very Close to Farmingdale

Located on Wyandanch Avenue in West Babylon, All Island Sheetmetal Inc. is just a quick drive from Farmingdale — right down Route 109 or the Southern State Parkway. That proximity means faster turnaround on orders, same-day pickup when you need it, and quick delivery straight to your job site.

Our team of 15+ skilled fabricators has been supplying Farmingdale-area HVAC contractors with precision ductwork for over two decades. Whether you're working on a residential retrofit in Bethpage or a commercial buildout along Route 110 in Melville, we have the capacity and expertise to keep your project on schedule.

Free delivery on first orders — including to Farmingdale, Bethpage, and Melville.

What We Do

Sheet Metal Services for Farmingdale Contractors

Full-service fabrication for HVAC, commercial, and residential projects in the Farmingdale area.

TDF / Slip & Drive Ductwork

Transverse duct flange systems built to your specifications and ready for installation at your Farmingdale job site. Every piece is knocked, slipped, and eared to the highest standards.

Spiral / Oval Ductwork

Round and oval spiral duct in standard and custom diameters. Ideal for clean airflow distribution in commercial spaces across the Nassau-Suffolk border area.

Adaptor Curbs

Custom rooftop adaptor curbs fabricated to your exact measurements. We regularly supply curbs for Farmingdale-area rooftop HVAC equipment transitions.

Exhaust Curbs

Precision exhaust curbs and equipment rails for commercial rooftop installations. Built to spec and delivered to your local job site.

Welded Stands

Heavy-duty welded equipment stands and supports for rooftop units, condensers, and more. Ready for pickup or delivery to Farmingdale.

Custom Fabrication

Service trays, drain pans, pipe portals, wall brackets, access panels — if you can draw it, we can build it. Drop off your prints or email them for a free quote.

What Clients Say

What Our Clients Say

Hear from clients who rely on All Island Sheetmetal for their projects.

Excellent craftsmanship, and excellent customer service. If you want a perfect fit, clean cuts, smooth edges, and quick delivery — use All Island Sheet Metal. My company has been using them for years, and we will not stop. They make sure to provide you with what you need, and they make it seem as simple as getting a part at a local supply house.
Daniel Campbell
Google Review
I was in a rush for some stainless fittings. They got them to me same day as needed. Friendly on the phone and easy to work with.
Cole Zimmer
Google Review
Awesome guys. I'm a small business, I needed something small and they were awesome. Made exactly what we needed and explained everything. Great guys, reasonably priced, excellent experience. Would do business with them all the time.
Mike Walsh
Google Review
Our Work

Recent Fabrication Projects

A sample of ductwork, curbs, and custom fabrication from our West Babylon shop.

Rectangular duct pieces staged for delivery
Large spiral duct elbows
Rooftop adaptor curb with transition
Custom plenum with access door
View Full Gallery
Get in Touch

Serving Farmingdale & Surrounding Areas

Drop off a print, email it, or fax it and we'll quote it for free. We deliver to Farmingdale and the entire Nassau-Suffolk border area.

Phone

(631) 491-8454

Email

orders@allislandsheetmetal.com

Hours

Monday – Friday: 7:00 AM – 5:00 PM

Fax

(631) 491-1270