Concrete Slabs in Winston-Salem, NC | Garage, Shed & Pads
Slab pricing comes down to size and what is going on top of it. A shed pad at 10 by 10 is 100 square feet and 4 inches thick; a 30 by 30 workshop slab is 900 square feet and usually goes 5 to 6 inches with rebar, because the load and the span both climb.
The spec matters more on a slab than on almost anything else, because the load is known in advance. A shed pad and a workshop floor with a vehicle lift on it are different pours, and getting the thickness and reinforcement wrong is not something you can correct later.
What Moves the Price of Concrete Slabs in Winston-Salem, NC
What changes
Effect on your price
Square footage
The single biggest driver. Work is priced per square foot, so measure before you call.
Slab thickness
4 inches is standard. Going to 5 or 6 inches for heavy vehicles adds material across the whole pour.
Reinforcement, wire or fibre
Adds roughly 10 to 15 percent over a plain pour. Worth it anywhere a vehicle or a heavy load will sit.
What is going on top
A shed pad, a hot tub base and a workshop floor are different specs. Load and span drive thickness and steel, and those drive the price.
Base condition
The wildcard. Sound compacted gravel can lower the price. A failed base that has to be rebuilt raises it more than anything else on this list.
Grading and drainage
Priced separately from the concrete. On a sloped or poorly draining site it can be a large share of the job.
Vapour barrier and insulation
Needed under anything enclosed or heated. Cheap as a line item, expensive to add later.
Concrete truck access
Tight lots, long wheelbarrow runs and pump trucks all add labour to the exact same square footage.
Every job is priced on site. We measure, check the base and the grade, and put a written price in your hand before any concrete is ordered.
What's Included
Thickness and reinforcement sized to the actual intended load
Compacted base, and vapour barrier where the slab will be enclosed
Forms set square and level, or sloped to a drain where required
Anchor bolts or embeds set for a building where needed
Broom, float, or power-trowelled finish depending on use
When to Call
You are putting up a shed, workshop, garage, or carport
You need a base for a hot tub, generator, or AC unit
An existing garage floor has cracked, heaved, or spalled
You need a pad for equipment, a dumpster, or vehicle parking
Common Questions
How much does a concrete slab cost?⌄
Slabs are priced per square foot, so start with your footprint: a shed pad is commonly 10 by 10 or 12 by 16, a workshop 24 by 24 or 30 by 30. Thickness, reinforcement and how easily a truck can reach the pour all move the number from there.
How thick should a shed or garage slab be?⌄
Four inches is typical for a shed or a standard garage floor. Six inches with reinforcement is normal where heavy vehicles, equipment, or a lift will be on it.
Do I need a vapour barrier?⌄
For any slab that will be enclosed and heated, yes. It keeps ground moisture from wicking up through the slab and into flooring, framing, or stored items.
