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Why Steel Works in Tennessee
Steel works in Tennessee because each frame is engineered for the loads of its own county, and those loads shift between Memphis and the Tri-Cities. We are a dealer of pre-engineered steel building kits in American steel, not one of the steel building manufacturers in Tennessee, and our metal buildings in Tennessee ship with PE-stamped drawings for the site.
Wind enters those drawings as a design wind speed under ASCE 7, plus an exposure category for open or sheltered ground. That figure is not a tornado rating. Tornadoes are common enough that the National Weather Service offices in Memphis and Nashville each publish a tornado climatology.
Snow loads on county design sheets are light. Earthquake design carries more weight in the west, where the New Madrid Seismic Zone takes in Memphis.
Summers are warm and humid across most of Tennessee, so plan insulation and ventilation with the frame (see insulating a metal building). Permits and the farm exemption are in the codes and permits section below.
Tennessee at a Glance
What We Engineer for:
Design wind speed and exposure category set per county under ASCE 7
Tracked by NWS Memphis and Nashville; design wind speed is not a tornado rating
Light ground snow on county sheets, with ice storms in some winters
West Tennessee lies in the New Madrid Seismic Zone; seismic category goes on the drawings
Galvanized panels, plus insulation and vents for humid summers
Building Codes and Permits in Tennessee
The Tennessee State Fire Marshal’s Office (SFMO) adopted the 2021 International Building Code, effective April 17, 2025, and that edition takes its wind, snow and seismic loads from ASCE 7-16. Cities and counties that run their own codes departments may enforce a different edition, and your drawings follow the one your permit office uses.
Exempt jurisdictions approved by SFMO to review plans and inspect on their own, including Nashville, Memphis, Knoxville, Chattanooga and Clarksville, issue it locally. Outside them, some projects need SFMO plans review, for example an assembly building with a calculated occupant load of 300 or more. We don’t pull the permit; we supply PE-stamped drawings, load calculations and specifications.
Your drawings list the design wind speed, exposure category, ground snow load and seismic design category, and the frame and anchor bolts are sized to them. A local contractor pours the foundation to our anchor bolt layout. Under ASCE 7-22, tornado loads cover only Risk Category III and IV buildings. A storm shelter built to ICC 500 or FEMA P-361 is a separate structure.
Under Tenn. Code §13-7-114, a county cannot require a building permit for a structure incidental to farming on agricultural land. It does not cover farmland near state federal-aid highways, public airports and public parks, flood rules still apply in the 100-year floodplain, and it binds counties, not cities. Look your parcel up on the FEMA Flood Map Service Center first.
The Tennessee State Fire Marshal’s Office (SFMO) adopted the 2021 International Building Code, effective April 17, 2025, and that edition takes its wind, snow and seismic loads from ASCE 7-16. Cities and counties that run their own codes departments may enforce a different edition, and your drawings follow the one your permit office uses.
Exempt jurisdictions approved by SFMO to review plans and inspect on their own, including Nashville, Memphis, Knoxville, Chattanooga and Clarksville, issue it locally. Outside them, some projects need SFMO plans review, for example an assembly building with a calculated occupant load of 300 or more. We don’t pull the permit; we supply PE-stamped drawings, load calculations and specifications.
Your drawings list the design wind speed, exposure category, ground snow load and seismic design category, and the frame and anchor bolts are sized to them. A local contractor pours the foundation to our anchor bolt layout. Under ASCE 7-22, tornado loads cover only Risk Category III and IV buildings. A storm shelter built to ICC 500 or FEMA P-361 is a separate structure.
Under Tenn. Code §13-7-114, a county cannot require a building permit for a structure incidental to farming on agricultural land. It does not cover farmland near state federal-aid highways, public airports and public parks, flood rules still apply in the 100-year floodplain, and it binds counties, not cities. Look your parcel up on the FEMA Flood Map Service Center first.
Steel Buildings We Deliver Across Tennessee
What a Steel Building Costs in Tennessee
A steel building in Tennessee is priced by its size, the loads its site carries and its finish level. Location moves the engineering: a parcel near Memphis adds seismic detailing, and open farm ground adds wind exposure.
From 20×20 to 30×40: garages, carports with a storage bay and small shops.
From 30×50 to 40×80: workshops, equipment sheds, small churches and shop-front commercial space.
From 60×80 up: warehouses, fellowship halls and large farm storage.
A parcel in the New Madrid Seismic Zone can need more seismic detailing than the same footprint in Knox County, and an open field in the Mississippi bottoms takes more wind than a wooded valley lot. Wider spans add steel. Always give us your county.
The $ tier is a bare kit: frame, roof and wall panels. Insulation, doors and liner panels push it toward $$, and a framed office or classroom wing toward $$$. For dollar figures by size, see our metal building cost guide.
From 20×20 to 30×40: garages, carports with a storage bay and small shops.
From 30×50 to 40×80: workshops, equipment sheds, small churches and shop-front commercial space.
From 60×80 up: warehouses, fellowship halls and large farm storage.
A parcel in the New Madrid Seismic Zone can need more seismic detailing than the same footprint in Knox County, and an open field in the Mississippi bottoms takes more wind than a wooded valley lot. Wider spans add steel. Always give us your county.
The $ tier is a bare kit: frame, roof and wall panels. Insulation, doors and liner panels push it toward $$, and a framed office or classroom wing toward $$$. For dollar figures by size, see our metal building cost guide.
Tennessee Cities We Deliver to
Delivery and installation is statewide. These cities have a dedicated page with local permitting detail.
If your city isn’t listed, we still deliver to it. Call (888) 415-1576 or use the quote form above.
How Tennessee Owners Use Steel Buildings by Region
East Tennessee (Knoxville, Chattanooga, the Tri-Cities)
East Tennessee sits on the interstates: I-75 meets I-40 at Knoxville, and I-81 joins I-40 near Dandridge. A commercial lot on those roads suits a steel shell with an office front. On TVA lakes such as Fort Loudoun and Watts Bar, the boat needs a dry spot, and our metal carports cover that.
See also: Metal office buildings · Metal auto dealerships
Middle Tennessee (Nashville metro, Murfreesboro, the Highland Rim)
Middle Tennessee mixes suburbs with pasture, and I-24, I-40 and I-65 meet at Nashville. Beef cattle are raised in every county, most of all in the center of the state, and cattle farms need hay storage and equipment cover. Pew Research Center ranks Tennessee among the most religious states; for a congregation’s hall, see steel church buildings.
See also: Livestock barns · Tractor barns
West Tennessee (Memphis, Jackson, the Mississippi bottoms)
West Tennessee grows cotton, soybeans and corn on its loess soils, and planters need tall, wide doors. Memphis International Airport hosts the FedEx World Hub, and the logistics firms around it run on warehouse space. The region sits in the New Madrid Seismic Zone, which shows up in the seismic design category on the drawings. See our metal warehouses.
See also: Metal hay barns · Metal red barns
Upper Cumberland and the Plateau (Cookeville, Crossville, Sparta)
The Upper Cumberland is a 14-county rural region around Cookeville, Crossville and Sparta, and it takes in Warren County, where McMinnville calls itself the Nursery Capital of the World. Thinking about a barndominium in Tennessee on rural land? Start with what a barndominium is.
See also: Barn with living quarters · Metal barns
What can we design for you today?
Talk to a building specialist to learn more!
Design Your Building NowFrequently Asked Questions
Yes, we engineer to the code your permit office enforces: in state-reviewed areas that is the 2021 International Building Code adopted by the State Fire Marshal’s Office, with loads from ASCE 7-16. Exempt cities and counties can run a different edition, so we confirm it from your address.
In most places you do, and who issues it depends on whether your city or county runs its own codes department or relies on the State Fire Marshal’s Office. Some counties and towns have opted out of residential codes, so a one- or two-family home there needs no building permit. Floodplain rules and septic permits can still apply. Call your codes office before you order.
It handles the wind and snow loads engineered for its county, not a direct tornado strike. Garages and barns are Risk Category II, with no tornado load under ASCE 7, so a storm shelter built to ICC 500 or FEMA P-361 is a separate structure. In the February 2021 ice storm, NWS Nashville logged downed trees and power lines; keep large trees clear of the roof. See barndominiums and severe weather.
Yes, ground snow load and seismic design category are on every set of drawings we supply, both set for where your parcel sits. Snow is low in most places: Knox County, Crossville and Madison County list 10 psf, Johnson City 15 psf. Seismic design category climbs toward the west. Send the full site address.
Yes, we supply pre-engineered steel church buildings across Tennessee, and one clear-span frame can hold the sanctuary and a fellowship wing. Larger halls can fall under State Fire Marshal plans review outside exempt jurisdictions. Your crew or a local erector puts it up; if you want installation arranged, ask when you request your quote. Figures by size are in our metal church building cost analysis.
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