Barndominium Structural Design For Architects

Barndominium Structural Design Services With Maximum Accuracy

Q: Can you provide barndominium engineering plans for a hybrid wood and steel structure?

Yes. Hybrid wood/steel barndominium framing is drafted where a steel shop bay meets a wood-framed living quarters, detailing the transition connection and shared load path between the two systems.

Q: Do you provide permit-ready barndominium plans for agricultural-exemption counties?

Yes. Barndominium plan sets are formatted for both standard residential plan review and agricultural-exemption jurisdictions that review only the habitable portion of the structure.

Q: Do you draft barndominium framing plans that work with a metal building kit supplier's package?

Yes. Framing and foundation plans are coordinated with the reactions and connection details provided by the client's PEMB or post-frame kit supplier, so the two packages don't conflict.

CAD Drafter’s barndominium structural design services turn your floor plan, region, and framing preference into permit-ready barndominium plans that a post-frame crew, a steel erector, or a timber framer can actually build from.
Post-frame, steel frame, timber frame, or a hybrid of the three: whatever system your builder or kit supplier uses, our drafting team is the perfect fit. We work from your loft layout, garage door openings, and site’s wind and snow data to produce a structural package your engineer of record can stamp and your county can approve.

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Everything About Our Barndominium Engineering Plans

CAD Drafter is a barndominium structural design company, not the engineer stamping your sheets and not the crew setting posts in the ground. Builders, kit suppliers, and homeowners send us their floor plan and framing preference; we draft the column layout, truss package, and foundation plan that get reviewed, sealed, and released to the field.

Why Barndominium Builders Outsource Structural Drafting

A barndominium isn’t a standard residential plan set, and it isn’t a standard pole barn plan set either. It’s both at once, which is exactly the gap a drafting team that draws nothing but hybrid structures is built to close.

Our Barndominium Structural Design Services Include

Post Frame Barndominium Design
Steel Frame Barndominium Engineering
Timber Frame Barndominium Design
Pole Barn Barndominium Structural Plans
Barndominium Framing Plans
Loft & Mezzanine Structural Plans
Roof Truss Load Analysis
Permit-Ready Barndominium Plans

Sample Upload Plan

Get Permit-Ready Barndominium Plans

Our Barndominium Structural Design Services

A barndominium’s structural system is decided long before drafting starts, usually by whoever’s pouring the slab or ordering the kit. We draft to whichever system your project is actually built in.

Post Frame Barndominium Design

Column spacing, embedment depth, and truss bearing details for wood post-frame barndominiums, sized against uplift and lateral wind loads the way the NFBA Post-Frame Building Design Manual and ASABE EP486.2 require.

Steel Frame Barndominium Engineering

Rigid frame or red-iron column and rafter layouts for PEMB-style barndominiums, coordinated with the metal building manufacturer’s reactions so the foundation and any wood-framed living quarters tie in cleanly.

Timber Frame Barndominium Design

Heavy timber post and beam layouts with mortise-and-tenon or steel bracket connections, detailed for barndominium owners who want exposed structure as part of the finished interior.

Hybrid Wood/Steel Barndominium Framing

Transition details where a steel-framed shop bay meets wood-framed living quarters, including the shear connection and load path that keeps two different structural systems working as one building.

Barndominium Framing Plans

Wall, roof, and floor framing layouts for the residential portion of the barndominium, dimensioned against the same grid as the shop or garage bay it shares a roofline with.

Barndominium Foundation Engineering

Slab-on-grade, perimeter footing, and pier foundation plans sized for point loads from post-frame columns or steel frame base plates, plus the more evenly distributed loads under the living quarters.

Barndominium Structural Design Company Support Without An In-House Team

Post-frame barndominium design and steel frame barndominium engineering are the two scopes builders send us most often, usually alongside a loft framing plan for the living quarters above the shop bay.

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Code Referenced Barndominium Design

Every Barndominium Plan Checked Against The Standard That Governs Its Frame

A barndominium answers to more than one rulebook, since a post-frame shop bay and a wood-framed residential wing aren’t governed by the same section of code. We reference the standard that actually applies to each part of the structure.

ASCE 7-22

Wind, snow, and seismic load provisions used to size posts, trusses, and the connections that resist uplift on a large clear-span roof.

IBC 2021 & IRC 2021

Occupancy classification and residential construction provisions applied to the habitable portion of the barndominium once it’s used as a dwelling.

NFBA Post-Frame Building Design Manual

Industry design guidance for post-frame diaphragm action, column embedment, and truss-to-post connections referenced on post-frame barndominium packages.

ASABE EP486.2

Structural engineering practice standard for post-frame building shallow foundation design, used to size embedded column footings against frost and uplift.

MBMA Metal Building Systems Manual

Metal Building Manufacturers Association design guidance coordinated with the PEMB supplier’s reactions on steel frame barndominium projects.

AISI S100 & S240

Cold-formed steel design provisions referenced where light-gauge steel girts, purlins, or interior framing appear in a steel or hybrid barndominium.

NDS (National Design Specification for Wood Construction)

Allowable stress design values applied to timber frame connections and any wood-framed residential wing sharing a roofline with a steel or post-frame shop.

Every Barndominium Drawing Type

Barndominium Plan Drawing Types We Produce

Every barndominium package is broken into the sheets your permit reviewer needs and the sheets your framing or erection crew needs, coordinated from one column grid.

All

Structural Framing Plan

Overall wall, roof, and floor framing layout referenced to the barndominium’s column grid, covering both the shop bay and the living quarters.

Post & Column Layout Plan

Post-frame column spacing and embedment detail, or steel frame column and base plate layout, dimensioned for the foundation crew.

Truss & Purlin Layout

Clear-span truss spacing, purlin sizing, and bracing layout coordinated with the roof pitch and any loft framed beneath it.

Foundation & Slab Plan
Slab, footing, and pier layout sized for point loads from posts or steel columns alongside the more distributed loads under residential framing.

Foundation & Slab Plan

Slab, footing, and pier layout sized for point loads from posts or steel columns alongside the more distributed loads under residential framing.

Shear & Bracing Plan

Wind bracing and diaphragm layout confirming lateral loads have a continuous path from the roof to the foundation.

Loft & Mezzanine Framing Plan

Joist layout, beam sizing, and guardrail connection details for interior lofts built inside the barndominium’s open volume.

Barndominium Structural Systems

Post Frame Barndominium

Wood Post Frame, Prefabricated Trusses

Concrete Pier · Slab-on-Grade

Steel Frame (PEMB) Barndominium

Pre-Engineered Metal Building, Red-Iron Rigid Frame

Concrete Slab · Spread Footing

Timber Frame Barndominium

Heavy Timber Post & Beam

Concrete Pier · Perimeter Footing

Hybrid Wood/Steel Barndominium

Steel Shop Bay + Wood-Framed Living Quarters

Combined Slab & Footing

Pole Barn Barndominium

Post Frame Construction, Metal Cladding

Embedded Post · Concrete Pier

Multi-Wing Barndominium

Steel or Post Frame Shop + Separate Living Wing

Slab-on-Grade with Isolated Footings

Companion & Shop Structures

Additions, Retrofits & Interior Work

Loft / Mezzanine Addition

New Joist & Beam Framing Inside Existing Shell

N/A – Interior Framing

Living Quarters Build-Out

Interior Wall Framing Inside Steel or Post Frame Shell

Existing Slab Review

Load Bearing Wall Removal

LVL, Steel Beam

N/A – Interior Framing

Roof Truss Modification

Skylight, Solar, or Dormer Reinforcement

N/A

Garage Door Header Upgrade

Steel Beam, LVL

Existing Foundation Review

Foundation Repair / Releveling

Concrete, Helical Piles

Helical Pile · Underpinning

Our Process

How CAD Drafter Delivers Barndominium Structural Design

Our drafting workflow exists for one reason: a barndominium package your county approves the first time and your crew builds from without a mid-project redesign. Here’s the 4-step process our drafters follow:

Floor Plan & Frame Type Review

We review your floor plan, chosen structural system, and site’s zoning classification, confirming whether the project falls under residential or agricultural-exemption review before drafting starts.

Package Quote & Timeline

You receive a scoped price and a release date broken down by framing plan, foundation plan design, and loft or mezzanine sheets.

Drafting & Internal QC

Our drafters produce the plan set and pass every sheet through an internal dimension and load-path check before it reaches your desk.

Release & Revision Rounds

You receive editable plan files, with revision rounds included per your project’s drafting agreement.

1,900+

Barndominium Plans Released

1,100+

Post-Frame & Steel Frame Packages Drafted

400+

Loft & Mezzanine Framing Plans Completed

24-48 Hrs

Standard Package Release

98%
Permit Approval
First Time

WHY CHOOSE US

Why Builders & Kit Suppliers Choose CAD Drafter For Barndominium Plans

Homeowners, post-frame contractors, and steel building suppliers keep sending us their barndominium drafting scope for a specific reason. Unlike barndominium structural design companies that draw the shop and the house as if they were unrelated buildings, our drafters detail the single load path that runs through both.

We Draft, Your Engineer Confirms

We never alter design intent. Every barndominium plan carries the wind, snow, and bearing criteria your engineer of record issued, ready for their review and stamp.

Code-Referenced Barndominium Drafting

Sheets reference ASCE 7-22, IBC 2021, IRC 2021, the NFBA Post-Frame Building Design Manual, ASABE EP486.2, and the MBMA Metal Building Systems Manual as each applies to your frame type.

One Drafting Team For Every Frame Type

Post frame, steel frame, timber frame, and hybrid barndominium projects, drafted by a team that already knows where each system’s connection details differ.

Scalable Drafting Capacity

Take on a single shop-bay retrofit or a multi-wing barndominium package without adding headcount to your own drafting floor.

Software Our Barndominium Drafters Model In

AutoCAD

Revit Structure

RISA-3D

ENERCALC

Woodworks

Benefits Of Outsourcing To the Team

Why Builders Choose Outsourced Barndominium Structural Design

Keeping a drafter on staff who can move fluently between post-frame, steel, and timber connections is a narrow hire against a barndominium pipeline that shifts frame type from one project to the next. Outsourced barndominium structural design services let builders and kit suppliers flex drafting capacity without carrying that specialty as fixed overhead.

Lower Drafting Overhead: A per-plan-set rate instead of a salaried barndominium drafter on staff.

Faster Plan Release: A dedicated drafting team means your barndominium plans aren’t waiting behind someone else’s project. Standard packages release in 24-48 hours.

Built-In QC Review: Every plan passes an internal dimension and load-path check before it reaches your desk for approval.

Technologies Our Barndominium Drafters Work With

Post-Frame Column & Diaphragm Modeling
PEMB Manufacturer Reaction Coordination
Clear-Span Truss & Purlin Layout Modeling
3D Frame & Loft Coordination Modeling
Cloud-Based Plan Review & Markup
Wind Uplift & Lateral Load Path Analysis

Sample contact Us

Our Certificate

1 2 3

Client Feedback To Our Barndominium Structural Design Services

★ ★ ★ ★ ★
Column layout matched our truss package’s bearing points exactly, so the crew set posts once and never had to shim a truss into place.

Colby ReyesPost-Frame Contractor

★ ★ ★ ★ ★
Loft framing plan came back already sized for the finished bedroom we wanted above the shop, which saved us a redline round with the county.

Whitney AlcornBarndominium Homeowner

★ ★ ★ ★ ★
Steel frame reactions were coordinated with our foundation plan before the slab ever got poured, so there were no surprises on erection day.

Derek SimmonsSteel Building Supplier

Frequently Asked Question

What’s the difference between a post-frame and a steel frame barndominium?

A post-frame barndominium uses wood columns embedded in the ground or set on piers, while a steel frame barndominium uses a pre-engineered rigid metal frame bolted to a concrete foundation. Both can carry a residential wing, but the connection details and foundation loads are different for each.

Can you provide barndominium engineering plans for a hybrid wood and steel structure?

Yes. We draft hybrid wood/steel barndominium framing where a steel shop bay meets a wood-framed living quarters, detailing the transition connection and shared load path between the two systems.

Do you provide permit-ready barndominium plans for agricultural-exemption counties?

Yes. We format barndominium plan sets for both standard residential plan review and agricultural-exemption jurisdictions that review only the habitable portion of the structure.

Can you design the foundation for a barndominium with a loft or second floor?

Yes. Barndominium foundation engineering accounts for the added point and distributed loads a loft, mezzanine, or second story places on posts, columns, and footings.

Do you draft barndominium framing plans that work with a metal building kit supplier’s package?

Yes. We coordinate our framing and foundation plans with the reactions and connection details provided by your PEMB or post-frame kit supplier, so the two packages don’t conflict.