Steel Vehicle Parking Shelters and Carports

A steel vehicle parking shelter is an open-sided structure that protects parked vehicles from sun and rain. It typically uses single-column cantilever frames or two-post frames with light purlins and profiled roof sheeting, and it can be extended in modules along a parking row.

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Challenges & Our Response

01
Open structures are sensitive to wind uplift.
Frames, purlins and sheeting fixings are designed for the net wind pressures on open canopies, and foundations are sized for uplift and overturning.
02
Columns must not block parking bays or doors.
Cantilever frames place columns at the back or between bays, and column positions are coordinated with the parking layout.
03
Vehicles can strike columns.
Column protection, curbs or bollards are specified by the designer of the car park and coordinated with the column locations.
04
Rainwater must be collected without flooding the bays.
Roof slope, gutters and downspouts are arranged to discharge to the drainage system away from the parking area.

Typical Configuration

Frame type	Single-slope cantilever or two-post frames
Module	Repeating bays matched to parking space width
Clear height	Set by the tallest vehicle served
Roof	Profiled sheeting, optionally with solar panels
Drainage	Eave gutter with downspouts to drainage
Finish	Painted or galvanized steel to suit exposure

Indicative values for early planning only. The project engineer confirms every dimension and load to the governing code.

Recommended Features

Cantilever frames for unobstructed parking bays
Gutters and downspouts integrated with the columns
Fascias for a clean architectural edge
Provision for solar panels and lighting
Corrosion protection selected for the site environment

3D illustration of a pre-engineered steel parking shelter with single-slope roof and fascia over vehicle bays

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Choosing a parking shelter layout

Parking shelters are usually built in long rows, so the bay module is matched to the parking space width and the column position is matched to the parking layout. Single-column cantilever frames give the most open access, while two-post frames are more economical for deeper or double-row shelters.

The clear height is set by the tallest vehicle that will use the shelter. Fleet depots for vans or buses need noticeably more height than staff car parks.

Wind, foundations and durability

An open shelter has wind acting on both the top and underside of the roof, so uplift often governs the design of the sheeting fixings, purlins and foundations. The project engineer applies the open-structure provisions of the governing load code.

Because the steel is exposed to weather on all sides, the coating system matters. Hot-dip galvanizing or a paint system selected for the site corrosivity extends the service life and reduces maintenance.

Frequently Asked Questions

Can solar panels be mounted on a parking shelter?

Yes. Solar carports are common. The panel weight, mounting rails and wind effects must be included in the design from the start.

Is a cantilever or two-post frame better?

Cantilever frames give clear access with fewer columns, while two-post frames usually use less steel. The choice depends on the parking layout, span and budget.

What foundations are needed?

Pad or pier foundations designed for uplift and overturning are typical. Their size depends on soil conditions and loads and is set by the foundation engineer.