Question 1

What's the difference between a broom-finished and exposed aggregate driveway for a home near the Fundy coast where salt air and road salt are constant concerns?

Accepted Answer

For a coastal Fundy property, both finishes can perform well — but exposed aggregate has a meaningful durability edge in salt-heavy environments, provided the mix and sealing are right.

The difference comes down to surface texture, maintenance, and how each finish holds up when salt air, salt-laden road spray, and freeze-thaw cycles attack the concrete simultaneously. Near the Bay of Fundy — whether you're in Saint John, St. Martins, Hampton, or one of the smaller coastal communities — your con

Question 2

My concrete driveway in Dieppe has developed multiple hairline cracks after two winters — is this normal settlement or a sign of a bad pour?

Accepted Answer

Hairline cracks after two winters in Dieppe are common, but whether they're normal shrinkage or a sign of a problematic pour depends on the pattern, width, and location of the cracks.

A few hairline cracks — especially in a relatively straight line — are almost expected in any concrete flatwork. Concrete shrinks slightly as it cures, and NB's freeze-thaw cycles put relentless stress on the surface. That said, "multiple" cracks appearing within just two winters warrants a closer look, because it

Question 3

Can you pour a concrete driveway extension flush against an existing 15-year-old slab in Fredericton without cracking at the joint?

Accepted Answer

You can pour a concrete driveway extension flush against an existing slab, but the joint between old and new concrete will almost certainly crack — the goal is to control where and how it cracks, not to prevent it entirely.

Concrete is not a material that bonds seamlessly to itself after it has cured. A 15-year-old slab in Fredericton has already gone through hundreds of freeze-thaw cycles, settled into its position, and reached its final shrinkage state. New concrete poured against it will shr

Question 4

How thick does a concrete driveway need to be in New Brunswick to handle a loaded pickup truck or delivery van without cracking?

Accepted Answer

For a residential driveway that needs to handle a loaded pickup truck or delivery van, you need a minimum of 6 inches of concrete — not the 4-inch standard you'll see quoted for light passenger vehicles.

Most concrete driveways in New Brunswick are poured at 4 inches, which is adequate for regular cars and light SUVs. But a half-ton pickup loaded with lumber, a three-quarter-ton truck, or a delivery van (which can gross 8,000–11,000 lbs fully loaded) puts concentrated point loads on the slab th

Question 5

Is a heated concrete driveway system practical in Saint John given the snowfall averages, and what does installation typically add to the cost?

Accepted Answer

A heated driveway system is technically practical in Saint John, but whether it's financially practical depends heavily on your situation — the installation premium is significant, and the ongoing operating costs in NB's climate deserve careful consideration before you commit.

Saint John averages roughly 250-300 cm of snowfall per year, with the Bay of Fundy creating its own microclimate — frequent freeze-thaw events, heavy wet snow, and the kind of icy glaze that makes a standard driveway genu

Question 6

How much does it cost to replace a concrete driveway in Saint John versus repaving with asphalt?

Accepted Answer

Replacing a concrete driveway in Saint John typically costs $8-15 per square foot ($4,000-8,000 for a standard two-car driveway), while asphalt repaving runs $3-7 per square foot ($1,500-4,000 for the same driveway). However, the long-term value equation in New Brunswick's harsh Maritime climate strongly favors concrete despite the higher upfront cost.

Concrete Driveway Replacement Costs in Saint John:
A typical 400-600 square foot two-car driveway ranges from $4,000-8,000 for standard broom-fi

Question 7

My gravel driveway in Riverview is rutting badly every spring — is a concrete driveway a realistic upgrade and what thickness do I need for a half-ton pickup?

Accepted Answer

A concrete driveway is an excellent long-term solution for your Riverview rutting problem, and 5 inches thick with proper reinforcement will easily handle a half-ton pickup. Your spring rutting is classic Maritime clay soil behavior — the freeze-thaw cycles and spring melt turn that clay into soup, and gravel just sinks in and spreads out.

Why Concrete Works for NB Clay Soils

Concrete creates a rigid, continuous surface that distributes vehicle weight over the entire slab area instead of conce

Question 8

What concrete mix design is best for a driveway in Moncton that gets heavy road salt exposure every winter?

Accepted Answer

For a Moncton driveway exposed to heavy road salt, you need air-entrained concrete with a minimum 32 MPa (4,500 PSI) compressive strength and a low water-to-cement ratio of 0.45 or less. This specification provides the density and freeze-thaw resistance essential for surviving New Brunswick's punishing winter conditions combined with aggressive salt exposure.

Air entrainment is absolutely critical for your Moncton driveway. Specify 4-7% air content in your ready-mix order — this creates billion

Question 9

How thick should a concrete driveway be poured in New Brunswick to withstand freeze-thaw cycles?

Accepted Answer

A concrete driveway in New Brunswick should be poured 5-6 inches thick minimum to withstand our brutal freeze-thaw cycles and vehicle loads. While 4 inches is sometimes acceptable with proper reinforcement and excellent base preparation, the extra inch of thickness provides crucial durability insurance against NB's 150+ annual freeze-thaw cycles.

Thickness Requirements by Vehicle Type

For standard passenger vehicles and light trucks, 5 inches is adequate with proper reinforcement. If you regul

Question 10

Is a concrete driveway or asphalt driveway better for a property near the Bay of Fundy where salt air is a factor?

Accepted Answer

For properties near the Bay of Fundy, a properly specified concrete driveway will significantly outperform asphalt in the salt air environment, but only if you use the right concrete mix and maintenance approach.

Salt air from the Bay of Fundy creates a corrosive environment that affects both concrete and asphalt, but in very different ways. Asphalt deteriorates rapidly in coastal conditions — the salt air accelerates oxidation of the asphalt binders, causing the surface to become brittle, crac

Question 11

How soon after a new concrete driveway is poured in New Brunswick can you park a vehicle on it, especially in cooler fall temperatures?

Accepted Answer

You should wait a minimum of 7 days before parking a vehicle on a new concrete driveway in New Brunswick, and extend this to 10-14 days during cooler fall temperatures when concrete cures more slowly.

Concrete gains strength through a chemical reaction called hydration that continues for weeks, but the critical period is the first 7-28 days. In the first 24 hours, concrete reaches only about 25% of its design strength. By 7 days, it typically achieves 65-70% strength, which is generally suffici

Question 12

What concrete mix is recommended for a new driveway that needs to handle a heavy farm truck in Carleton County NB?

Accepted Answer

For a farm truck driveway in Carleton County, you need a minimum 32 MPa (4,500 PSI) air-entrained concrete mix, 6 inches thick, with proper reinforcement. Standard residential driveway concrete at 25 MPa will crack and fail under repeated heavy truck loads, especially when combined with New Brunswick's punishing freeze-thaw cycles.

Heavy-Duty Mix Specifications

Your ready-mix supplier should provide a 32-35 MPa air-entrained mix with 4-7% air content. This higher strength concrete costs approx

Question 13

What is the best finish for a concrete driveway in NB winters?

Accepted Answer

The best finish for a concrete driveway in New Brunswick winters is a medium broom finish — a textured surface created by dragging a stiff-bristled broom across the freshly floated concrete. This finish provides the right balance of traction on icy surfaces, durability through 150+ annual freeze-thaw cycles, and ease of maintenance for NB homeowners.

Why broom finish is the NB standard: The texture of a broom finish creates grip for foot traffic and tire traction on icy driveway surfaces — crit

Question 14

Can I pour a concrete driveway over an existing asphalt driveway in NB?

Accepted Answer

Pouring concrete over an existing asphalt driveway in New Brunswick is technically possible but generally not recommended by experienced NB contractors — the added height, bonding issues, and unpredictable behaviour of the existing asphalt under NB freeze-thaw conditions create problems that outweigh the savings of skipping removal. In most cases, removing the old asphalt produces a better, longer-lasting result.

Why it is appealing: Avoiding asphalt removal saves $2-$5 per square foot in demol

Question 15

Concrete driveway vs asphalt driveway for New Brunswick winters?

Accepted Answer

Both concrete and asphalt driveways work in New Brunswick winters, but they perform differently and require different maintenance strategies — concrete costs more upfront and lasts longer, while asphalt costs less initially but requires more frequent maintenance in NB's freeze-thaw climate. The right choice depends on your budget, aesthetic preference, and long-term plans for the property.

Concrete driveway advantages in NB:

A properly installed concrete driveway lasts 30-50 years in NB with r

Question 16

Do I need a permit to widen my driveway in Moncton NB?

Accepted Answer

In most cases, widening an existing concrete driveway in Moncton requires a driveway entrance permit from the City of Moncton if the widening changes or expands the curb cut or driveway approach at the street — the permit requirement applies at the municipal road interface, not necessarily for the private property portion. Requirements vary depending on whether your property borders a city street or a provincial road, and the specific scope of your project.

City of Moncton permit requirements:

Question 17

How do I repair a cracked concrete driveway in NB?

Accepted Answer

The right repair method depends on the size, depth, and cause of the crack — and in New Brunswick's climate, a proper repair done now prevents a minor crack from becoming a major failure by spring thaw.

For hairline cracks and surface cracks under 1/4 inch wide, a DIY repair is reasonable. Clean the crack thoroughly with a wire brush and compressed air or a shop vacuum to remove all debris, loose concrete, and dust. Apply a concrete crack filler — either a polyurethane or epoxy crack filler fro

Question 18

How long before I can drive on a new concrete driveway in New Brunswick?

Accepted Answer

Wait a minimum of 7 days before driving passenger vehicles on a new concrete driveway in New Brunswick, and 28 days before allowing heavy vehicles like trucks, delivery vans, or RVs. In NB's cooler climate — particularly in spring and fall — extend these timelines, as concrete cures more slowly when temperatures are below 15 degrees Celsius.

Concrete does not simply dry — it cures through a chemical reaction called hydration between cement and water. This process gains strength rapidly in the f

Question 19

How long does a concrete driveway last in New Brunswick with freeze-thaw cycles?

Accepted Answer

A properly specified, installed, and maintained concrete driveway in New Brunswick will last 30-50 years. A concrete driveway with the wrong mix, insufficient base, or no sealer in NB conditions can start failing within 5-10 years. The difference is almost entirely in the specification and maintenance decisions — not luck.

New Brunswick is one of the hardest environments for concrete driveways in Canada. With 150+ freeze-thaw cycles per year, annual road salting from November through April, and

Question 20

How thick should a concrete driveway be in New Brunswick?

Accepted Answer

A residential concrete driveway in New Brunswick should be a minimum of 5 inches (125 mm) thick for passenger vehicles, and 6 inches (150 mm) if you park a truck, SUV, or RV on it regularly. Given NB's aggressive freeze-thaw climate and the frost heave forces that act on your driveway slab every winter, thicker is not a luxury — it is genuine protection for a significant investment.

The often-quoted 4-inch minimum is technically achievable for very light use, but experienced NB concrete contrac

Question 21

How do I prevent my NB concrete driveway from cracking?

Accepted Answer

You cannot prevent concrete from cracking entirely — but you can control where cracks occur and minimize unplanned cracking through proper mix specification, adequate thickness, a well-compacted base, and properly spaced control joints. In New Brunswick, getting these four elements right is the difference between a driveway that develops fine, invisible cracks along planned joints and one that fractures randomly within a few seasons.

Control joints are the most important crack prevention tool.

Question 22

How wide should a two-car driveway be in New Brunswick?

Accepted Answer

A functional two-car concrete driveway in New Brunswick should be 20-24 feet (6-7.3 metres) wide for comfortable side-by-side parking, with 20 feet as the practical minimum and 24 feet providing comfortable door clearance and easy parking for larger vehicles. Width requirements also depend on your lot, municipal setback rules, and whether the driveway serves a detached garage or opens to a parking pad.

Practical width guidance by use: A 16-foot-wide driveway technically fits two cars, but doors

Question 23

Should I seal my new concrete driveway in New Brunswick?

Accepted Answer

Yes — sealing a new concrete driveway in New Brunswick is not optional. It is one of the most cost-effective things you can do to protect a significant investment, and skipping it in NB's climate will shorten your driveway's lifespan dramatically.

New Brunswick concrete faces a uniquely punishing combination: 150+ freeze-thaw cycles per year, heavy road salt exposure from November through April, and coastal salt air in communities near the Bay of Fundy, Shediac, and the Gulf of St. Lawrence coa

Question 24

Should I use rebar or wire mesh in my NB concrete driveway?

Accepted Answer

For a residential concrete driveway in New Brunswick, welded wire mesh (6x6 W2.9/W2.9 or W1.4/W1.4) properly placed at mid-slab depth is the standard choice, while rebar is preferred for heavier-use driveways and areas subject to significant frost heave. Both work; the key is that reinforcement must be at the correct height in the slab — not lying on the ground.

Why reinforcement matters in NB driveways: Concrete slabs crack — this is not a design flaw, it is an expected behaviour of concrete u

Question 25

What causes concrete driveway scaling in New Brunswick?

Accepted Answer

Concrete driveway scaling — the flaking and peeling of the top surface layer — is caused by a combination of freeze-thaw damage, de-icing salt, and in many cases, concrete that was not properly specified or finished for New Brunswick conditions.

The physical process starts with water. Concrete is porous, and in an NB winter, water from rain, snowmelt, and salt-laden slush migrates into the surface. When that water freezes, it expands by about 9%, generating enormous internal pressure. Over New

Question 26

What type of concrete mix should I use for a driveway in NB?

Accepted Answer

For a concrete driveway in New Brunswick, specify air-entrained, 30 MPa (4,350 PSI) ready-mix concrete with a water-to-cement ratio of 0.45 or less and a slump of 4-5 inches. This is not the cheapest concrete option, but it is the right specification for NB's freeze-thaw climate — and it is the difference between a driveway that lasts 30-40 years and one that starts scaling and spalling within a decade.

Air entrainment is the most critical specification for NB driveways. When you order ready-mi

Question 27

What gravel base is needed under a concrete driveway in New Brunswick?

Accepted Answer

A concrete driveway in New Brunswick requires a minimum 6-inch (150 mm) compacted granular base of crushed stone or bank run gravel — and 8 inches is a better target, particularly on clay subsoils or sites with drainage challenges. The base is arguably as important as the concrete itself: a properly prepared base provides uniform support, drains water away from the slab, and prevents the differential movement that causes cracking and settlement.

Why the base matters so much in NB: New Brunswick

Concrete Driveways