1-877-275-7048|Free delivery — 48 states|20-year warranty on 12ga

40×20 Factory / Warehouse

40×20 Factory / Warehouse | Steel and Stud, From $14,050

12

40×20 Factory / Warehouse
In stock · ships 3–5 wk
Starting from$16,000$14,050SAVE $1,950
or $293/mo · $0 down · no credit check

HomeMetal Buildings40×20Factory / Warehouse

★★★★★4.8(verified buyers)✓ Verified Buyers

40×20 Factory / Warehouse, rated for heavy-duty industrial loads.

Compact warehouse, production space, inventory staging, equipment repair, or contractor storage. Heavy-duty 12-gauge framing and certified engineering are available.

You’re viewing:Factory / Warehouse·Size40×20·Slate Gray
Starting from your selected configuration$14,050$16,000Save $1,950
or as low as $293/mo · 0% APR · No credit RTO
ℹ️This is an estimate. Final pricing is locked after our sales team reviews your complete requirements (site access, ground type, county-specific certifications, optional upgrades). You’ll receive a written all-in quote within one business day of your request, no surprises, no hidden fees.
📐 Size footprint dimensionsSelected: 40×20
40×20
this size
$14,050
📏 Side wall height interior headroomSelected: 9′
7′
8′
9′
10′ +$340
12′ +$640
14′ +$1180
🎨 Roof & trim color applied to building aboveSelected: Slate Gray
Slate Gray

🔧 Customize your build 9 options affect your price
🏗️

Roof Stylevertical sheds snow/leaves naturally
🚪

Roll-Up Doorsfront-mounted garage doors
🪟

Windowsnatural light + ventilation
🚶

Walk-In Doorside entry with deadbolt
🌡️

Insulation Packageyear-round comfort & energy savings
🔩

Frame Gaugestructural steel thickness
📋

Sheeting Gaugeroof + side panel thickness

Anchoring Typefoundation attachment method

Electrical Pre-Wireconduit run for licensed electrician
Customizations selected:
Customization subtotal:+$485
  • 800 sq ft enclosed
  • From style=”margin-top:18px”1,500
  • Code Certified
  • 12 Gauge
  • 180 mph wind certified
  • 65 psf snow load
  • 20-year rust warranty
  • Free delivery + install
🚚
FREE delivery & installation in all 48 states. Concrete, asphalt, or compacted gravel.
SKU:SS-40X20-FACTORY-WAREHOUSBuilt:1,847+Since: 2002Made in: 🇺🇸 USA
🛡️
A+
BBB Accredited
4.8/5
customer rating
Since 2004
In Business
🏠
15,000+
Buildings
🇺🇸
48
States Served
We’ve provided builds for
FordAppleDiscovery ChannelU.S. ArmyGM
SPATIAL LAYOUT

See how 800 sq ft fits your small-business warehouse.

40 feet wide × 20 feet long. Single roll-up door, hand-truck operation. Compact warehouse, production space, inventory staging, equipment repair, or contractor storage.

Loading areaINVENTORY RACKSOffice corner40′ × 20′ · 800 sq ft · small-business warehouse

Loading area · Inventory racks · Office corner

Loading area at the front, inventory racks in the middle, office corner at the rear. Capacity: ~16 pallet positions. Heavy-duty 12-gauge framing and certified engineering are available.

💡 Pro tip:Size affords: shelving, desk + computer.
🎨 FREE 3D BUILDER

Build your 40×20 Factory / Warehouse in 3D.

Design your building yourself in our free Sensei3D Designer, drag doors and windows where you want them, swap roof + trim colors, and see your spec from every angle. Save your design and email it to yourself for later.

  • Drag-and-drop doors, windows, walk-ins anywhere on the building
  • 16 colors applied live to roof, walls, and trim, mix & match
  • Interior + exterior views of your spec, with measurements
  • Save your design and share it with your contractor or family
  • Auto-syncs to quote, what you build is what we price
✓ No login required✓ Works on phone & desktop✓ Used by 38,000+ buyers
Sensei3D Preview
LIVE 3D · DRAG TO ROTATE
, or,

📐 Use the Cold-Form Designer (engineer-grade specs)

WHAT’S INCLUDED

Everything in your Factory / Warehouse.

All variants ship with free delivery, installation, drawings, 20-year warranty.

🏗️
800 sq ft enclosed
Fully-enclosed 40×20 vertical-roof structure.
🚪
Roll-up + walk-in doors
Standard configuration door package.
🔩
14-gauge steel frame
American-rolled galvanized tubing.
🎨
1 standard color
Pick from 16 factory-baked finishes.
TECHNICAL SPECIFICATIONS

Factory / Warehouse spec sheet.

Width40′
Length20′ + 6" overhang
Side height9′ standard
Floor space800 sq ft
Doors1 × 9×8 roll-up
Walk-inOptional (+$345)
WindowsOptional
Windup to 180 mph
Snowup to 65 psf
RoofVertical 3:12
Frame14 ga (12 ga upgrade)
Sheeting29 ga (26 ga upgrade)
AnchoringConcrete · Asphalt · Ground
Lead time3 – 5 weeks
USE CASE EXAMPLES

How real buyers use Factory / Warehouse.

DAILY USEEveryday factory / warehouse
Everyday factory / warehouse
800 sq ft is the right size for daily use of a factory / warehouse.
STORAGE OVERFLOWfactory / warehouse + seasonal storage
factory / warehouse + seasonal storage
Park or store equipment in the front half, leave the rear for seasonal storage and overflow.
FLEX ROOMExpansion-ready
Expansion-ready
Stud-framed interior makes it easy to add a partition, electrical, or insulation later.

FULL PRODUCT DETAILS

40×20 Factory / Warehouse, what makes it different.

800sq ft
Floor Space
180mph
Wind Rated
65psf
Snow Load
20yr
Rust Warranty
40yr
Paint Warranty
$293/mo
From RTO
🏗️

Engineered for your county

Every 40×20 factory / warehouse is fabricated from American-rolled galvanized steel and engineered against the exact wind and snow loads your jurisdiction requires.

  • Standard: 140 mph wind / 35 psf snow
  • 12-ga upgrade: 180 mph / 65 psf
  • Permit drawings stamped and emailed free
🔩

Construction details

The same materials commercial fabricators use, not residential-grade. Hot-dip galvanized fasteners, factory-baked siliconized polyester paint, Hilti-grade anchors.

  • Frame: 14-ga (12-ga upgrade) galvanized tubing
  • Panels: 29-ga G-90 (26-ga upgrade)
  • Fasteners: #14 self-drilling with EPDM washer
🚚

Free delivery & install, really free

Regional-route delivery plus 1–2 day on-site installation by a certified crew, bundled into your headline price. No hidden unloading fees, fuel surcharges, or site-prep charges.

  • $0 deposit · pay only after walkthrough sign-off
  • 3–5 week lead time on regional routes
  • All 48 states · rush option available
🛡️

Warranty & lifespan

Engineered for a 50-year service life with industry-leading warranties on every wear surface.

  • 20-yr rust-through warranty on frame & panels
  • 40-yr paint warranty against fading + chalking
  • 1-yr craftsmanship on installation
💳

$0-down financing

Three financing paths to fit any credit situation. The rent-to-own option requires no credit pull at all, fastest path to a closed deal.

  • RTO: $293/mo, no credit check, 36–60 mo
  • Financing: 0% promo APR · 84 mo term
  • Cash discount: 4% on $10K+ orders

Why 40×20?

800 sq ft sits in the sweet spot for residential and light-commercial, fits standard quarter-acre setbacks, comfortably below the 1,000 sq ft municipal threshold that triggers extra inspections.

  • 40′ × 20′ footprint with 800 sq ft interior
  • Permit-friendly in 96% of US counties
  • Resale ROI $6,400–$9,600 added home value

PEOPLE ALSO ASK

Common questions from Factory / Warehouse shoppers.

The questions our team hears every week. Click any to expand the short answer.

How thick is the steel on a Steel and Stud 40×20 metal building?

Standard frame: 14-gauge (1.5 mm) galvanized tubing. Optional 12-gauge upgrade (2.5 mm) for high-wind/snow zones. Roof and wall sheeting ships 29-gauge standard, 26-gauge upgrade available on order.

Does Steel and Stud deliver and install in my state?

Yes, free delivery and free installation in all 48 continental states, performed by certified Steel and Stud crews. Hawaii and Alaska use custom freight quotes; call 1-877-275-7048 for either.

What’s the typical lead time for a 40×20 building?

Standard: 3–5 weeks from order confirmation to install completion. Fabrication runs the first 2–3 weeks at our US plant; regional delivery and 1-2 day install close it out. Rush builds available for $345.

Can I finance a Steel and Stud building without a credit check?

Yes, Steel and Stud’s rent-to-own partner does not pull credit. Approvals typically run 8 minutes with proof of income and first month’s payment. 36–60 month terms, no early-payoff penalty.

What’s covered under the 20-year warranty?

Steel and Stud’s 20-year rust-through warranty covers the galvanized frame against perforation, plus a 20-year paint-finish warranty against fade and chalk. Workmanship on the install is warrantied for 1 year. Warranty transfers to the next owner on resale.

CUSTOMER REVIEWS

What real 40×20 Factory / Warehouse buyers say.

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HAVE A QUESTION?

Talk to a real metal-building specialist.

Our team has installed 15,000+ buildings. We answer technical, permit, and financing questions every day, usually in under 8 minutes.

Complete your Factory / Warehouse · Save 10% bundled

These add-ons ship and install with the same crew.

Browse all 28 add-ons →

Bundle & Save

🏗️
Concrete Pad Pour
41×21×4″ slab to engineered spec.
$3,600+ Add
Most Added

🌡
R-19 Insulation Package
Roof & wall batt, vinyl-faced.
$1,795+ Add
💧
Gutter & Downspout Kit
Seamless aluminum, color-matched.
$485+ Add
200-Amp Sub-Panel Pre-Wire
Conduit + sub-panel housing.
$695+ Add
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FREQUENTLY ASKED

Factory / Warehouse questions, answered.

How much does a 40×20 factory / warehouse cost?

A 40×20 factory / warehouse from Steel and Stud starts at $14,050 with free delivery and free installation across all 48 states. Most buyers pick the rent-to-own option at about $293/month with $0 down and no credit check. Call 1-877-275-7048 for a same-day price lock.

Is delivery and installation included in the 40×20 factory / warehouse price?

Yes, every Steel and Stud factory / warehouse ships with free delivery + free installation by a certified crew, included in the listed price. Anchored to a concrete pad, asphalt, or compacted gravel, your building is fully erected in 1–2 days after the truck arrives.

Do I need a permit for a 40×20 factory / warehouse?

Almost always for 800+ sq ft enclosed buildings. Steel and Stud emails engineered drawings stamped for your wind zone (up to 180 mph) and snow zone (up to 65 psf) at no charge, so your local building department has everything it needs. Permit timing typically runs 2–6 weeks by jurisdiction.

How is a Steel and Stud factory / warehouse different from a wood-frame build?

Steel solves the problems wood creates, no rotting, no termites, no warping, no painting every 3 years. Our 14-gauge galvanized frame carries a 20-year rust warranty and ships with a 180 mph wind / 65 psf snow rating already engineered in. A comparable wood build typically costs 2–3× more and needs ongoing maintenance.

What foundation does a 40×20 factory / warehouse need?

A 4-inch concrete pad poured 1 foot wider and longer than the building is the standard. Steel and Stud also anchors to asphalt or compacted gravel for open or semi-enclosed configurations. A pad-pour bundle is offered at checkout if you don’t already have a slab.

How fast can I get a 40×20 factory / warehouse delivered?

Standard lead time is 3–5 weeks from order to install. Fabrication runs the first 2–3 weeks at our US plant; regional delivery + 1–2-day install by a certified Steel and Stud crew closes out the order. Rush builds are available, call 1-877-275-7048 for current capacity.

Can I finance a 40×20 factory / warehouse without a credit check?

Yes, Steel and Stud’s rent-to-own partner does not pull credit. Approvals close in about 8 minutes with proof of income and your first month’s payment. Terms run 36–60 months with no early-payoff penalty, and the monthly works out to roughly $293/month on a 40×20 factory / warehouse.

What warranty comes with the 40×20 factory / warehouse?

Steel and Stud backs every building with a 20-year rust-through warranty on the galvanized frame and a 10-year sheeting warranty on the 29-gauge panels (upgradeable to 26-gauge or 12-gauge). Workmanship on the install is warrantied for 1 year. Full warranty terms ship with your order packet.

Can I customize the 40×20 factory / warehouse in 3D before I order?

Yes, our free Sensei3D Designer lets you drag and drop doors, windows, and walk-ins; swap 16 roof + trim colors live; and rotate the building in 3D from every angle. No login required. The design saves directly to a quote so what you build is exactly what we price.

Will the 40×20 factory / warehouse handle heavy equipment and forklifts?

Standard 40×20 factory / warehouse ships rated for 35 psf live load on the floor (over concrete pad), and the 12-gauge frame upgrade supports trolley- and jib-crane mounts up to 1-ton capacity. Steel and Stud engineers will spec heavier rigging on request, call 1-877-275-7048.

Ready to build?

Your Factory / Warehouse quote takes one minute.

Tell us your zip and the options you want. We’ll send back a same-day, all-in price.

✓ 4.8★ · verified buyers✓ BBB A+✓ 24 years✓ $0 deposit · pay after install





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