Serving Hempstead & Nassau County

Expert Sheet Metal Fabrication in Hempstead, NY

Trusted by HVAC contractors and businesses throughout Hempstead, Garden City, and Uniondale. Precision ductwork, adaptor curbs, and custom fabrication delivered to your job site.

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20+
Years in Business
100%
Client Satisfaction
Free
Quotes & Estimates
Free
First Order Delivery
Why Choose Us

Why Hempstead Contractors Trust All Island Sheetmetal

Reliable fabrication from our West Babylon shop, conveniently close to Hempstead.

All Island Sheetmetal shop near Hempstead, NY

Convenient Access from Hempstead

Our shop on Wyandanch Avenue in West Babylon is a quick trip from Hempstead via the Southern State Parkway or Hempstead Turnpike. That means rapid turnaround times and same-day pickup availability for urgent orders.

With a crew of 15+ experienced fabricators, we've been the go-to sheet metal supplier for Hempstead-area HVAC contractors for over twenty years. From residential work in Garden City to large-scale commercial projects near Uniondale, we have the equipment and know-how to deliver what your job demands.

Free delivery on first orders — including to Hempstead, Garden City, and Uniondale.

What We Do

Sheet Metal Services for Hempstead Contractors

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

TDF / Slip & Drive Ductwork

Transverse duct flange systems built to your specifications and ready for installation at your Hempstead 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 Nassau County.

Adaptor Curbs

Custom rooftop adaptor curbs fabricated to your exact measurements. We regularly supply curbs for Hempstead-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 Hempstead.

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
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Get in Touch

Serving Hempstead & Surrounding Areas

Drop off a print, email it, or fax it and we'll quote it for free. We deliver to Hempstead and all of Nassau County.

Phone

(631) 491-8454

Email

orders@allislandsheetmetal.com

Hours

Monday – Friday: 7:00 AM – 5:00 PM

Fax

(631) 491-1270