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Interlock Patios and Hardscaping

Why Do Interlock Pavers Sink?

Why Do Interlock Pavers Sink. Learn what homeowners in Brantford, Ancaster and Southern Ontario should consider, plus when to request a professional quote fro

April 23, 2026 · 3 min read

Interlocking stone patio with a low seating wall in a residential backyard.

A successful landscape project starts well before equipment arrives. For homeowners in Brantford and Ancaster, why do interlock pavers sink is worth understanding because Southern Ontario weather, soil conditions, drainage, access, and material choices can all change the scope of the work.

Settlement usually starts below the pavers

Common causes include insufficient excavation, poor compaction, unsuitable base material, washed-out aggregate, weak edge restraints, utility trenches, or concentrated drainage. Simply adding sand under a low spot may hide the symptom without correcting the cause.

The base matters more than the brochure photo

Paver colour and pattern are important, but the unseen work determines whether the surface stays flat. Proper excavation, drainage, granular base, compaction, edge restraints, and accurate elevations should be clearly described in the quote.

Plan water before laying stone

Patios must drain away from the home and should not create runoff problems for neighbouring properties. Downspouts, low points, steps, pool decks, retaining walls, and lawn grades should all be coordinated before final elevations are set.

Maintenance expectations

Interlock is not maintenance-free. Occasional cleaning, joint maintenance, vegetation control, and localized repairs may be needed. The benefit is that individual areas can often be serviced without replacing the entire patio.

Questions to ask before moving forward

  • How will the area be excavated and compacted?
  • How will water drain from the finished surface?
  • What paver, border and jointing materials are included?
  • How will steps, edges and transitions be finished?

Get a quote from 4-Seasons Landscaping

If you want to know what this would realistically involve on your property, request a quote from 4-Seasons Landscaping. A site visit can clarify drainage, access, preparation, material choices, and budget before you make a commitment.

Next step: Request a landscaping quote from 4-Seasons Landscaping and bring photos, approximate dimensions, your priority list, and any drainage or access concerns you have noticed.

Planning note: Pricing, product availability, bylaws and permit requirements can change. Final recommendations should be based on an on-site assessment and current municipal requirements.

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