A red oxide primed structural steel frame partly erected on a concrete slab, showing bolted knee joints and anchor bolts.

Steel Barndominium Construction in Pennsylvania

Steel construction means a barndominium built on a welded steel frame, the red-iron rigid frames that give a wide, column-free interior, bolted to a concrete foundation and clad in steel panels. It is the strongest route to a big open great room or a large shop bay. In Pennsylvania the frame has to be sized for the snow and wind values your municipality's code official sets, and the foundation has to suit ground that can hold limestone, old mine workings or a steep slope. We build new steel-frame homes and plan both halves, frame and foundation, together.

Stamped drawings where your jurisdiction requires them
Drawn to your code official's snow, wind and frost values

Steel Construction: how the work runs

Four stages, in this order. The sequence matters more than it looks: settling who administers the code for your municipality, the sewage soil tests and the site approvals before anything is fabricated is what keeps a Pennsylvania build from stalling.

1

Ground and design values

We confirm the code official's snow, wind and frost values for your parcel and look at what is under it: the mapped soils, any limestone or sinkhole history, and whether the land lies over old coal or clay mines.

2

Frame drawings and anchor bolt plan

The manufacturer designs the frame for your building and those values, with drawings sealed by a licensed professional engineer. The anchor bolt plan from that set tells the foundation crew exactly where every bolt goes.

3

Foundation and erection

The concrete foundation is formed and poured with the anchor bolts set to the plan, inspected, and left to cure. Then the frames are lifted into place, braced, and tied together with purlins and girts.

4

Close in and finish

Roof and wall panels, doors and windows close the building in, the frame and foundation are inspected, and the inside is finished as a house. Licensed trade contractors handle plumbing, electrical and HVAC.

Exterior detail of a metal-clad home showing standing seam roofing with snow guards, vertical wall panels, and a downspout discharging away from the wall.
Under the frame

A steel frame is only as steady as the ground under its foundation

The Department of Environmental Protection notes that millions of structures in Pennsylvania sit over old, abandoned underground coal and clay mines, and that abandoned mines may collapse decades after mining ends. The Department of Conservation and Natural Resources adds that sinkholes are common where the bedrock is limestone or dolostone. Neither rules a lot out, but both belong in the foundation design, and both are cheaper to find before the concrete is poured.

Where we deliver steel construction

In Pennsylvania the line that matters is the municipal boundary. The building code is the same everywhere, but each of the 2,562 cities, boroughs and townships decides how it is administered: by its own code office, by an agency it retains, or by opting out and leaving the applicant to hire a certified third-party agency. Cross a township line and what changes is who reviews the drawings, what they charge, how the land is zoned, which Sewage Enforcement Officer tests the soil, and whose snow, wind and frost values the drawings answer to.

Barndominium builders across Pennsylvania.

Every city, borough and county we build in has its own answer on permits, sewage and design values. The service area pages set out who handles each one.

View our full service area →
Before you commit

What actually decides the price

Square footage is the number everyone leads with, and it is rarely the one that moves a barndominium budget. These four do.

  • Clear span and eave height

    A wider column-free span or a taller eave means deeper, heavier frames. A shop bay that needs a tall door can set the height of the whole building.

  • Design snow and wind values

    The code official's snow load and wind speed decide frame size, purlin spacing and bracing. The same building can need noticeably more steel in a heavy-snow municipality.

  • Foundation and ground conditions

    A steel frame puts concentrated loads and uplift into its anchor bolts. Poor soil, rock, limestone voids or old mine workings can mean larger footings, a thicker slab or ground investigation first.

  • Erection and access

    Lifting frames needs a machine that can reach the building. A steep, wooded or soft site, or a winter start, adds time and equipment cost.

A red oxide primed structural steel frame partly erected on a concrete slab, showing bolted knee joints and anchor bolts.

Steel Construction in Pennsylvania: common questions

8 questions we get asked most often about building in Pennsylvania. If yours is not on the list, ask it directly.

Why choose a steel frame for a barndominium?
For long, column-free spans, a tall shop bay, and a frame that will not rot or warp. Steel is also precise: the frame arrives cut and drilled to the drawings, so it goes up quickly once the foundation is ready.
Is a steel frame better than a pole barn frame?
Neither is better everywhere. Steel wins on clear span and on a concrete foundation; a pole barn frame is usually quicker, cheaper for moderate spans and easier to insulate deeply. Our pole barn homes page sets out the comparison from the other side.
How does snow affect a steel barndominium?
Snow is often the load that sizes the frame in Pennsylvania. Your municipality's code official sets the design snow load, and the manufacturer designs the frames and purlins to it, with drawings sealed by a licensed professional engineer.
What if my land is over an old mine?
Large parts of Pennsylvania were mined underground for coal and clay. The Department of Environmental Protection runs a Mine Subsidence Insurance program and can tell you whether a property is over mapped mine workings. We check before design, because it can change the foundation.
What about sinkholes and limestone?
Limestone valleys can hide voids under the soil. The state's geological survey maps known sinkholes and karst features, and where a parcel is on carbonate bedrock we plan the drainage and the foundation around it and bring in a geotechnical firm where the risk warrants it.
Can steel be erected in a Pennsylvania winter?
The frame can go up in cold weather, but concrete work, frozen ground and snow on the site all slow things down. Pouring the foundation before hard frost and erecting in winter is a common and workable schedule.
Do you sell steel home kits?
Yes. A steel home kit is the frame, panels and trim for one building, designed by the manufacturer for your site. Our barndominium kits page explains what a kit includes, what it leaves out, and how we deliver and erect it or hand it over.
Do you build steel garages and storage buildings?
We build new steel-frame homes, including homes with a large shop bay under the same roof. We do not build stand-alone garages or outbuildings.

Ready to put steel construction against a real plan? Start there and the rest follows.

Tell us about the land

Tell us where the parcel is and what you want on it, and we will come back with who has jurisdiction, what the land needs before it can be built on, and a realistic budget range. Starting the survey costs nothing.