Should I choose natural stone or interlocking pavers for a NB patio?

Both natural stone and interlocking pavers can perform well in New Brunswick's climate, but interlocking concrete pavers offer better freeze-thaw durability and lower cost, while natural stone provides a premium aesthetic and potentially longer lifespan — your choice depends on budget, style preference, and maintenance tolerance.

Interlocking concrete pavers are the more popular choice in NB for good reason. They're manufactured to meet CSA freeze-thaw standards (8,000+ PSI compressive strength, less than 5% water absorption), come in consistent thicknesses for easy installation, and interlock to resist shifting during frost heave cycles. The colour and pattern options are extensive — from natural stone look-alikes to modern geometric designs. Interlocking pavers cost $18 to $30 per square foot installed in New Brunswick, making a 200-square-foot patio approximately $3,600 to $6,000. They're also easier to repair — a heaved or cracked paver can be lifted and replaced individually without disturbing the surrounding surface.

Natural stone — particularly granite, quartzite, and dense bluestone — creates an undeniably beautiful patio that many homeowners prefer. Each piece is unique, the surface develops character over time, and stone generally outlasts concrete pavers by decades. However, natural stone costs $25 to $45 per square foot installed in NB, requires more skill to install due to irregular thicknesses, and some stone types (softer limestone, sandstone) can deteriorate in NB's harsh freeze-thaw environment. If choosing natural stone, stick to dense, low-porosity varieties — granite is the safest choice for NB's climate.

Maintenance differs between the two options. Interlocking pavers with polymeric sand joints require occasional re-sanding (every 3–5 years in NB's climate) and may need individual paver relevelling after particularly harsh winters. Natural stone patios may need more frequent joint maintenance — stone irregular shapes make polymeric sand application trickier — and uneven surfaces can collect water that freezes and causes further shifting. Both types benefit from annual sealing in NB to resist staining and moisture penetration.

The base preparation is identical for both in New Brunswick's climate. Whether you choose stone or pavers, you need 12–16 inches of compacted granular base, proper drainage slope, geotextile fabric on clay soils, and edge restraints. Don't let a contractor convince you that stone's heavier weight means you can skimp on base depth — NB's frost doesn't care how heavy the surface material is.

For most New Brunswick homeowners, interlocking pavers offer the best balance of performance, aesthetics, and value. They handle freeze-thaw reliably, come with manufacturer warranties (typically 25 years for lifetime), and can be installed faster, which reduces labour costs. Reserve natural stone for higher-budget projects where the premium look justifies the extra cost, and always use a stone type proven in Maritime climates.

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