HRANEC Curb Adapters

Need a curb adapter for an HVAC change out? At Hranec, we build to fit any size or brand of equipment... customizing our adapters to match up with existing roof curbs.

Designed to resist failure and leakage, Hranec curb adapters can be delivered quickly at a competitive price.

14 gauge galvanized steel and fully welded construction make our curb adapters remarkably durable, cost effective, and easy to install. Contact us today to learn more.

Visit our Submittals page for submittal form downloads.

Specification Overview

Curb Adapters:

14 Gauge Galvanized Steel
Fully Welded Construction
Raw Connection to Existing Curb
Optional: Damper Tray, Aluminum Construction, 1.5", 3lb. Density Insulation, and 2" X 4" Wood Nailer

Contact Hranec today to learn how your order can be in production one hour after your P.O. is approved. Whether you're on a tight schedule or you've waited to the last minute, there's no need to fall behind. Hranec can meet all of your curb adapter, roof curb and equipment rail needs. Visit our Submittals page for submittal/order form downloads.

Custom, Quality, and Pricing

At Hranec, we are the manufacturing facility, so custom orders to your project's specifications are no problem. Hranec curb adapters are Union Made, right here in Pennsylvania, to meet exacting quality standards, and our efficient, 21st century manufacturing process means competitive pricing.

Contact Hranec today. We can save you money and provide exceptional quality and service.

Service Area

Hranec Curbs provides quality roof curbs, fan curbs, pitched roof curbs, RTU curbs, curb adapters, and equipment rails nationwide. With fabrication facilities located in the Pittsburgh region, Hranec services roof curb needs in Pennsylvania, Ohio, Maryland, and across the nation. No matter your location, Hranec’s dedication to providing the best lead-time, best price, and best service will win you over.

Contact Hranec today to learn how.

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Full CAD Install Drawings Available!

Mike Reese

Contact Hranec today to learn how our exceptional lead time and superior customer service can go to work for you!

Union Label Shop

Yellow Label

We’ll stack the results achieved by our experienced sheet metal craftsmen up against any in the industry.

Curb Adapter: A customized piece of roof curb flashing most often used as an adapter when an HVAC unit is being replaced and the new unit does not match with the exiting roof curb. The adapter provides a weather tight interface for the new HVAC installation.

At Hranec S.M.I., you come first. You’ll know that from your very first call, so Contact Hranec today.

All products adhere to
3rd Edition 2005
SMACNA standards

HRANEC Sheet Metal Incorporated • 724-437-2211 • FAX 724-437-2233 • Contact Hranec S.M.I.
Corporate Office & Fabrication Facilities • 763 Route 21 • Uniontown, PA 15401

Roof Curbs • Curb Adapters • Equipment Rails • Pipe Portals
Fan Curbs • Pitched Roof Curbs • RTU Curbs • Curb Adapters • Equipment Rails • Pipe Portals