Metal Storage Buildings — METCO Metal Building Supply
Secure & Dry

Metal Storage Buildings

Steel storage that does not rot, does not host termites, and does not need replacing in eight years. From compact units to equipment-scale structures, clear-span throughout.

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No rot, no termites

Galvanized steel has no organic material to fail.

Clear-span interior

Stack and stage without working around columns.

Condensation control

Vapour barrier and insulation packages available.

Secure hardware

Commercial locking on roll-up and personnel doors.

Free delivery

Delivery and installation within 100 miles.

Rent-to-own

No credit check required.

Why steel outlasts timber storage in this climate

Wooden storage buildings in the humid Southeast fail predictably: the sill plate wicks moisture at grade, termites find the timber, and the roof deck goes soft. Galvanized steel has none of those failure modes. It does not rot, insects have no interest in it, and there is no organic material for mould to colonise. Over fifteen or twenty years the difference in total cost is not close.

Condensation is the one thing steel does worse

We should be straight about the trade-off. Bare steel sweats when warm humid air meets a cold roof, and anything stored underneath gets dripped on. This is entirely solvable with a vapour barrier or insulation package, but it needs to be specified at order time. If a supplier does not raise condensation when you tell them you are storing anything that matters, they are not thinking about your building past the sale.

Sizing for what you are actually storing

Lawn equipment and household overflow fit comfortably in 12'×20'. A tractor plus implements wants 20'×30' or more, with 12-foot eaves so nothing catches on the way in. Contractors storing materials and a trailer usually land around 30'×40'. Buy for what you will store in three years, not what is in the driveway today — every customer who sized to current needs called us back.

Security is about the doors, not the walls

Steel walls are not the weak point. Roll-up doors with proper locking hardware, personnel doors with commercial-grade locks, and window placement that does not advertise what is inside are what actually determine whether a building gets broken into. Specify the hardware you want up front — upgrading later means replacing a door, not adding a lock.

Specifications

Widths
12' – 60' clear span
Lengths
20' – 100'+
Leg heights
8' – 16'
Doors
Roll-up, sliding and personnel
Enclosure
Fully enclosed, or open-sided for equipment
Moisture control
Vapour barrier and insulation optional

Common Questions

Are metal storage buildings better than wooden sheds?

In the humid Southeast, generally yes. Timber storage fails through rot at the sill plate, termite damage and roof deck decay. Galvanized steel has none of those failure modes. The trade-off is condensation, which a vapour barrier or insulation package solves — specify it at order time.

Do metal storage buildings sweat inside?

Bare steel can, when warm humid air meets a cold roof overnight. It is entirely preventable with a vapour barrier or insulation package. If you are storing anything that matters — tools, equipment, stock — add it at order time rather than retrofitting later.

What size storage building do I need?

12'×20' handles lawn equipment and household overflow. A tractor with implements wants 20'×30' or larger with 12-foot eaves. Contractors storing materials and a trailer typically land near 30'×40'. Size for three years out — customers who size to today's needs call us back.

Do I need a permit for a storage building?

It depends on size, permanence and your county. Many jurisdictions across NC, SC, VA and GA have a size threshold below which no permit is required, and agricultural exemptions may apply on qualifying land. Check with your county before ordering — we supply certified drawings when they are needed.

Can a metal storage building sit on gravel or grass?

Yes, provided the site is reasonably level. We anchor to ground with rebar, to asphalt with asphalt anchors, and to concrete with wedge anchors. We will tell you honestly if your site needs prep before delivery day rather than after.

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Tell us the size, your county and what you are storing. We quote from current steel pricing — no obligation, and we will tell you if a different size suits you better.

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