Custom Grates
Custom Tree Grate Custom Grates
Iron Age designs and manufactures custom tree grates for unique site conditions, including nonstandard tree openings and large-format grate arrays. Many designs incorporate city names, logos, or artistic placemaking elements, allowing designers to reinforce local identity while delivering durable, site-specific solutions.
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Custom elliptical Locust tree grate, cast iron with baked-on-oil finish. DESIGN: LandDesign. PROJECT: Elm Street. LOCATION: Bethesda, MD.
Rain 5′ x 10′ heel-proof tree grate, customized with “City of Chicago” branding. Cast iron with baked-on-oil finish. DESIGN: ESG Architecture & Design. INSTALLATION: Christie Webber Landscapes. PROJECT: 1114 West Carroll Ave. LOCATION: Chicago, IL.
Rain 5′ x 10′ heel-proof tree grate, customized with “City of Chicago” branding. Cast iron with baked-on-oil finish. DESIGN: ESG Architecture & Design. INSTALLATION: Christie Webber Landscapes. PROJECT: 1114 West Carroll Ave. LOCATION: Chicago, IL.
Custom 4′ x 4′ tree grate, cast iron with powder coat finish. DESIGN: MGB+A. PROJECT: Payson Main Street. LOCATION: Payson, UT.
To create the long, tapered shapes of these custom “Rain” tree grates, we worked with raw corten steel and laser cut it to the shapes needed. DESIGN: GAI Consultants. INSTALLATION: Brightview. PROJECT: Orlando Health. LOCATION: Orlando, FL.
To create the long, tapered shapes of these custom “Rain” tree grates, we worked with raw corten steel and laser cut it to the shapes needed. DESIGN: GAI Consultants. INSTALLATION: Brightview. PROJECT: Orlando Health. LOCATION: Orlando, FL.
To create the long, tapered shapes of these custom “Rain” tree grates, we worked with raw corten steel and laser cut it to the shapes needed. DESIGN: GAI Consultants. INSTALLATION: Brightview. PROJECT: Orlando Health. LOCATION: Orlando, FL.
To create the long, tapered shapes of these custom “Rain” tree grates, we worked with raw corten steel and laser cut it to the shapes needed. DESIGN: GAI Consultants. INSTALLATION: Brightview. PROJECT: Orlando Health. LOCATION: Orlando, FL.
To create the long, tapered shapes of these custom “Rain” tree grates, we worked with corten steel and laser cut it to the shapes needed. Shown with powder coat finish, applied 2 years after original installation. DESIGN: GAI Consultants. INSTALLATION: Brightview. PROJECT: Orlando Health. LOCATION: Orlando, FL.
*Photo taken 3 years after installation. Compare to newly installed grates below*
We partnered with PWP Landscape Architecture to create a series of five 10’ x 100’ custom Regular Joe grate arrays for the pedestrian plaza at Salesforce Transit Center & Park. In-ground LED fixtures create columns of light, offering a unique nighttime experience for visitors. The cast iron grates with baked-on-oil finish were designed to weigh less than 70 lbs. each for ease of removal during maintenance. LOCATION: San Francisco, CA.
*Photo taken 3 years after installation. Compare to newly installed grates below*
We partnered with PWP Landscape Architecture to create a series of five 10’ x 100’ custom Regular Joe grate arrays for the pedestrian plaza at Salesforce Transit Center & Park. In-ground LED fixtures create columns of light, offering a unique nighttime experience for visitors. The cast iron grates with baked-on-oil finish were designed to weigh less than 70 lbs. each for ease of removal during maintenance. LOCATION: San Francisco, CA.
*Photo taken 3 years after installation. Compare to newly installed grates below*
We partnered with PWP Landscape Architecture to create a series of five 10’ x 100’ custom Regular Joe grate arrays for the pedestrian plaza at Salesforce Transit Center & Park. In-ground LED fixtures create columns of light, offering a unique nighttime experience for visitors. The cast iron grates with baked-on-oil finish were designed to weigh less than 70 lbs. each for ease of removal during maintenance. LOCATION: San Francisco, CA.
We partnered with PWP Landscape Architecture to create a series of five 10’ x 100’ custom Regular Joe grate arrays for the pedestrian plaza at Salesforce Transit Center & Park. In-ground LED fixtures create columns of light, offering a unique nighttime experience for visitors. The cast iron grates with baked-on-oil finish were designed to weigh less than 70 lbs. each for ease of removal during maintenance. LOCATION: San Francisco, CA
We partnered with PWP Landscape Architecture to create a series of five 10’ x 100’ custom Regular Joe grate arrays for the pedestrian plaza at Salesforce Transit Center & Park. In-ground LED fixtures create columns of light, offering a unique nighttime experience for visitors. The cast iron grates with baked-on-oil finish were designed to weigh less than 70 lbs. each for ease of removal during maintenance. LOCATION: San Francisco, CA
We partnered with PWP Landscape Architecture to create a series of five 10’ x 100’ custom Regular Joe grate arrays for the pedestrian plaza at Salesforce Transit Center & Park. In-ground LED fixtures create columns of light, offering a unique nighttime experience for visitors. The cast iron grates with baked-on-oil finish were designed to weigh less than 70 lbs. each for ease of removal during maintenance. LOCATION: San Francisco, CA
We partnered with PWP Landscape Architecture to create a series of five 10’ x 100’ custom Regular Joe grate arrays for the pedestrian plaza at Salesforce Transit Center & Park. In-ground LED fixtures create columns of light, offering a unique nighttime experience for visitors. The cast iron grates with baked-on-oil finish were designed to weigh less than 70 lbs. each for ease of removal during maintenance. LOCATION: San Francisco, CA
*Photo taken 3 years after installation. Compare to newly installed grates below*
Custom Regular Joe tree grate, cast iron with baked-on-oil finish. DESIGN:Â PWP Landscape Architecture. PROJECT: Salesforce Transit Center & Park. LOCATION: San Francisco, CA
Custom Regular Joe tree grate, cast iron with baked-on-oil finish. DESIGN:Â PWP Landscape Architecture. PROJECT: Salesforce Transit Center & Park. LOCATION: San Francisco, CA
Custom tree grates featuring Rain 24″ x 48″ heel-proof extension panels, cut and arrayed to create 4′ x 8′ parallelograms with opposing interior corner angles (four castings per set). Raw cast ductile iron. DESIGN: Ground, Inc. PROJECT: Boston Public Library Adams Street Branch. LOCATION: Boston, MA.
Custom tree grates featuring Rain 24″ x 48″ heel proof extension panels, cut and arrayed to create 4′ x 8′ parallelograms with opposing interior corner angles (four castings per set). Raw cast ductile iron. DESIGN: Ground, Inc. PROJECT: Boston Public Library Adams Street Branch. LOCATION: Boston, MA.
Custom Oblio tree grate, water jet cut to 4′ dia. Cast iron with baked-on-oil finish. PHOTO CREDIT: Joan Piccalo. DESIGN: Root Design Studio. PROJECT: Snellville Towne Green. LOCATION: Snellville, GA
Custom 4′ x 4′ “Script” tree grate, cast aluminum with powder coat finish. DESIGN: Gates + Associates. PROJECT: Boulevard. LOCATION: Dublin, CA.
Custom 4′ x 4′ “Script” tree grate, cast aluminum with powder coat finish. DESIGN: Gates + Associates. PROJECT: Boulevard. LOCATION: Dublin, CA.
Custom 4′ x 4′ “Script” tree grate, cast aluminum with powder coat finish. DESIGN: Gates + Associates. PROJECT: Boulevard. LOCATION: Dublin, CA.
Custom 4′ x 8′ tree grate, raw cast iron. COMMISSIONED BY: Spokane Arts. ARTIST: Fiona McCargo. PROJECT: Division Gateway. LOCATION: University District, Spokane, WA.
Custom 4′ x 8′ tree grate, raw cast iron. COMMISSIONED BY: Spokane Arts. ARTIST: Fiona McCargo. PROJECT: Division Gateway. LOCATION: University District, Spokane, WA.
Rain custom 6′ x 9′ heel-proof tree grate, raw cast aluminum. DESIGN: GAI Consultants/Kevin Aust. CONTRACTOR: UCC Group. PROJECT: Modera Central Luxury Apartments. LOCATION: Orlando, FL.
Custom 60″ dia. Oblio tree grate with water-jet cut-outs, raw cast bronze. DESIGN: AES Creative. PROJECT: Volcano Bay, Universal Studios. LOCATION: Orlando, FL.
Custom 60″ dia. Oblio tree grate with water-jet cut-outs, raw cast bronze. DESIGN: AES Creative. PROJECT: Volcano Bay, Universal Studios. LOCATION: Orlando, FL.
Custom “Rain” laser cut corten steel tree grates. DESIGN: Landworks Studio, Inc. PROJECT: West of Chestnut. LOCATION: Quincy, MA.
Custom “Rain” laser cut corten steel tree grates. DESIGN: Landworks Studio, Inc. PROJECT: West of Chestnut. LOCATION: Quincy, MA.
Custom “Rain” laser cut corten steel tree grates. DESIGN: Landworks Studio, Inc. PROJECT: West of Chestnut. LOCATION: Quincy, MA.
Custom “Rain” laser cut corten steel tree grates. DESIGN: Landworks Studio, Inc. PROJECT: West of Chestnut. LOCATION: Quincy, MA.
Custom “Rain” laser cut corten steel tree grates. DESIGN: Landworks Studio, Inc. PROJECT: West of Chestnut. LOCATION: Quincy, MA.
Custom large format tree grate array, cast aluminum with black powder coat finish. LOCATION: Boston, MA.
DOH! Custom “Duff Brewery” tree grate with Jebediah Springfield in the city seal, raw cast iron. LOCATION: Universal City, CA.
Custom Elk Horn 4′ x 4′ tree grate, raw cast iron. Developed for the City of Jackson, WY.
Locust 6′ dia. tree grate, raw cast iron. Installed with 12″ trench arrayed on various radii. DESIGN: Buchart Horn. PROJECT: Green Streetscape Project. LOCATION: Etna, PA.
Custom tree grate with city logo for Holladay City, UT. Raw cast iron, shown prior to installation.
Custom tree grate with light ports, raw cast aluminum. LOCATION: Houston, TX.
Custom tree grate with light ports, raw cast aluminum. LOCATION: Houston, TX.
Custom tree grate with light ports, raw cast aluminum. LOCATION: Houston, TX.
Custom 4′ dia. Locust tree grate, cast bronze, water jet cut from 4′ Sq. PROJECT: University of Hawaii Cancer Center. LOCATION: Honolulu, HI.
Custom 4′ dia. Locust tree grate, cast bronze, water jet cut from 4′ Sq. PROJECT: University of Hawaii Cancer Center. LOCATION: Honolulu, HI.
Custom elliptical tree grates formed from 20″ Ă— 40″ raw cast iron Locust grate panels, assembled into an 8′ square and precision water-jet cut to final shape. This approach allows full flexibility in locating the tree opening relative to the overall grate. DESIGN: Ground. LOCATION: Boston, MA.
Custom elliptical tree grates formed from 20″ Ă— 40″ raw cast iron Locust grate panels, assembled into an 8′ square and precision water-jet cut to final shape. This approach allows full flexibility in locating the tree opening relative to the overall grate. DESIGN: Ground. LOCATION: Boston, MA.
Custom elliptical tree grates formed from 20″ Ă— 40″ raw cast iron Locust grate panels, assembled into an 8′ square and precision water-jet cut to final shape. This approach allows full flexibility in locating the tree opening relative to the overall grate. DESIGN: Ground. LOCATION: Boston, MA.
Custom elliptical tree grates formed from 20″ Ă— 40″ raw cast iron Locust grate panels, assembled into an 8′ square and precision water-jet cut to final shape. This approach allows full flexibility in locating the tree opening relative to the overall grate. DESIGN: Ground. LOCATION: Boston, MA.
Custom elliptical tree grates formed from 20″ Ă— 40″ raw cast iron Locust grate panels, assembled into an 8′ square and precision water-jet cut to final shape. This approach allows full flexibility in locating the tree opening relative to the overall grate. DESIGN: Ground. LOCATION: Boston, MA.
Custom 5′ dia. Oblio tree grate (cut from 5′ Sq.), pictured with 6″ wide Oblio radius trench, both raw cast iron. DESIGN: RMM Design Group. PROJECT: Adventist Medical Center. LOCATION: Hanford, CA.
Custom cast iron Oblio 5′ dia. tree grate, water jet cut from 5′ Sq. PROJECT: Mission St. BART Station. LOCATION: San Francisco, CA.
Custom tree grate 4′ x 6′ with allocations for uplights, raw cast iron. DESIGN: Voorsanger Architects PC. PROJECT: National World War II Museum. LOCATION: New Orleans, LA.
Custom tree grate 4′ x 6′ with allocations for uplights, raw cast iron. DESIGN: Voorsanger Architects PC. PROJECT: National World War II Museum. LOCATION: New Orleans, LA.
Custom 3′ x 6′ Interlaken tree grate, with a Dia De Los Muertos motif, raw cast iron. DESIGN: John Dennis and Martha Ketterer; San Fransisco Department of Public Works. PROJECT: Valencia Street. LOCATION: San Francisco, CA.
Custom 3′ x 6′ Interlaken tree grate, with a Dia De Los Muertos motif, raw cast iron. DESIGN: John Dennis and Martha Ketterer; San Fransisco Department of Public Works. PROJECT: Valencia Street. LOCATION: San Francisco, CA.
Standard Finish
For details, see Materials and Finish Options under Resources.
Optional Finish
For details, see Materials and Finish Options under Resources.
Optional Material Upgrades
Call for pricing and lead time.