Concrete Knowledgebase — All Slab Cost Guides & Articles

Every cost breakdown, formula explainer, and project-planning guide published on Slab Cost Calculator lives here, organized by topic. Each article is written to pair directly with our interactive calculators and our calculation methodology, so the numbers you read here match the numbers the tools produce.

Concrete Construction

Concrete Construction

Best Time of Year to Pour Concrete (And What Happens If You Don’t Wait)

Concrete can be poured in most weather, but the temperature window that makes it easy — and safe — is...

Concrete Construction

Concrete Curing Time: How Long Before You Can Use It

How long concrete actually takes to cure, day by day — when it's safe for foot traffic, vehicles, and full...

Concrete Construction

Concrete Foundation & Monolithic Slab Cost (Full Structural Guide)

Monolithic slab-on-grade foundation costs and construction -- how the thickened-edge footing design compares to a standard floor slab.

Concrete Construction

Concrete Shed Pad Cost and Construction Guide (4″ Slab vs Gravel)

What a concrete shed pad costs to build, and why a permanent 4-inch slab beats gravel for rot, pest, and...

Concrete Construction

Concrete Slab Reinforcement: Rebar Grid vs. Welded Wire Mesh

Rebar grid vs. welded wire mesh for slab reinforcement -- which to use for vehicle driveways and garages vs. light...

Concrete Construction

How Much Does a Garage Slab Cost? (Monolithic vs. Stem Wall Footings)

Garage slab costs compared: monolithic floating slabs vs. stem-wall footings, and why freeze-thaw climates change which one you need.

Concrete Construction

How Much Gravel Do I Need Under a Concrete Slab? (Base Guide)

How much compacted crushed stone sub-base a concrete slab needs, and the 1.15 compaction factor that keeps your gravel order...

Concrete Construction

How Thick Should a Concrete Slab Be? (4″ vs 5″ vs 6″ vs 8″ Standards)

ACI 302.1R slab thickness standards -- 4 inches for patios, 5 for driveways and garages, 6 for RV pads, 8+...

Concrete Construction

Slab-on-Grade vs. Crawl Space Foundation: Cost & Lifespan

Slab foundations and crawl space foundations solve different problems — how they compare on cost, climate fit, and upkeep.

Concrete Construction

Yard Prep Checklist Before a Concrete Slab Pour (Don’t Skip Step 1)

The five milestones that need to happen before ready-mix trucks arrive — from calling 811 to compacting the sub-base.

Concrete Costs

Concrete Costs

Concrete Slab Cost Per Square Foot (2026 Pricing Matrix)

A 2026 pricing matrix for concrete flatwork -- how slab thickness, reinforcement, finish, and site prep each move your per-square-foot...

Concrete Costs

Concrete vs. Asphalt Driveway: Cost, Lifespan, and Which One Actually Wins

A side-by-side comparison of concrete and asphalt driveways on installed cost, lifespan, maintenance, and climate fit.

Concrete Costs

How Much Does a Concrete Driveway Cost? (2026 Cost & Design Guide)

A 2026 cost and design guide for concrete driveways -- standard 2-car driveway pricing, required thickness, and rebar specs.

Concrete Costs

How Much Does a Concrete Slab Cost in 2026? (Complete Breakdown)

A complete 2026 breakdown of concrete slab costs -- professional installation runs $6.00-$12.00 per square foot, DIY materials $2.50-$4.50/sq ft.

Concrete Estimating

Concrete Estimating

Concrete Slab Waste Factor Explained (Why 10% is Recommended)

Why a 10% waste factor is standard on every concrete order, and how subgrade unevenness and form bulging can leave...

Concrete Estimating

How Many Bags of Concrete Do I Need? (80lb, 60lb, 50lb & 40lb Yields)

How many 80, 60, 50, and 40-lb bags of concrete you need per cubic yard, with a worked example for...

Concrete Estimating

How to Calculate Concrete for a Slab (Formulas & Step-by-Step Guide)

The concrete volume formulas you need for any slab: length by width by thickness, converted to cubic feet and cubic...

Concrete Estimating

How to Estimate Concrete Labor Cost (Crew Hours & Finishing Rates)

How to estimate concrete finishing labor cost -- per-square-foot and per-crew-hour rates for a standard 3-to-4 person flatwork crew.

Concrete Maintenance & Repair

Concrete Maintenance & Repair

Concrete Sealers: Do You Need One, and Which Type?

Penetrating, acrylic, epoxy, and polyurethane sealers protect concrete differently and at very different price points.

Concrete Maintenance & Repair

Concrete Slab Cracks: What Causes Them and How to Actually Prevent Them

Not all concrete cracks mean the same thing — how to tell hairline shrinkage cracks from real structural problems, and...

Concrete Maintenance & Repair

Resurfacing vs. Extending an Existing Concrete Slab

A worn or too-small slab doesn't always need a full tear-out — when resurfacing works, and when extending makes more...

Concrete Materials

Concrete Materials

Concrete Cost Per Cubic Yard Explained (2026 Ready-Mix Pricing)

2026 ready-mix concrete pricing by PSI strength, from 3,000 to 5,000 PSI, so you know what a stronger mix actually...

Concrete Materials

Ready-Mix vs. Bagged Concrete: Cost, Strength & Breakeven Analysis

Ready-mix vs. bagged concrete compared on cost and strength, and the project size (about 1.5 cubic yards) where ready-mix becomes...

Cost Guides

Cost Guides

10×10 Concrete Slab Cost: Complete Pricing & Material Breakdown

Complete pricing and material breakdown for a 10x10 concrete slab -- installed and DIY costs, plus the cubic yards of...

Cost Guides

12×12 Concrete Slab Cost: Patio, Shed & Spa Pad Pricing

What a 12x12 concrete slab costs for a patio, shed, or spa pad -- installed pricing plus the ready-mix or...

Cost Guides

20×20 Concrete Slab Cost: 2-Car Garage & Large Patio Guide

What a 20x20 concrete slab costs for a 2-car garage or large patio -- installed pricing plus the cubic yards...

Cost Guides

24×24 Concrete Slab Cost: Oversized 2-Car Garage & Shop Floor

What an oversized 24x24 concrete slab costs for a 2-car garage or shop floor -- installed pricing and the ready-mix...

Cost Guides

Concrete Patio Slab Cost Guide (Stamped vs. Broom Finish)

Concrete patio slab costs compared by finish -- standard broom finish vs. decorative stamped and stained concrete, per square foot.

Planning & Decisions

Planning & Decisions

DIY Concrete Slab: What You Can Handle vs. Hiring a Pro

Some concrete projects are genuinely DIY-friendly; others carry real structural and safety risk if they go wrong.

Planning & Decisions

Do You Need a Permit for a Concrete Slab?

Whether a concrete slab needs a permit depends on size, location, and local code — what it typically costs and...

Slab Estimating & Editorial Engineering Team

Construction Cost Estimators & Civil Engineering Analysts

Our team specializes in structural flatwork estimating, concrete mix designs, and civil building codes (ACI 302.1R, ASTM C94). All calculators and cost guides are rigorously validated against live contractor material price sheets, regional aggregate indexes, and real-world project bids.