How much does it cost to have polymeric sand reapplied professionally?

Professional polymeric sand reapplication in Metro Vancouver typically costs $3-$8 per square foot, with most residential patios (300-500 sq ft) running $1,200-$3,500 for complete joint sand replacement.

The wide price range reflects the condition of your existing installation and the scope of work required. Simple reapplication over existing polymeric sand that's mostly intact but showing some erosion runs $3-$5 per sq ft. Complete joint cleanout and replacement — where old polymeric sand must be pressure washed or mechanically removed from joints, followed by new sand application — runs $6-$8 per sq ft due to the additional labour involved.

What's included in professional polymeric sand service:

• Pressure washing or mechanical removal of old joint sand


• Cleaning paver surfaces of moss, algae, and debris


• Sweeping new polymeric sand into all joints with proper overfill


• Compacting sand into joints using rubber mallets or vibrating equipment


• Removing excess sand from paver surfaces before activation


• Controlled water activation using misting technique (never flooding)


• Final cleanup and surface inspection

Metro Vancouver climate considerations make professional application particularly valuable. Our persistent rainfall and humidity mean polymeric sand must be activated perfectly — too little water and it won't harden, too much water causes hazing on paver surfaces that's extremely difficult to remove. Professional installers understand the precise misting technique required and can time the work around weather windows. They also know which polymeric sand brands (Techniseal, Alliance, Sakrete) perform best in our wet climate.

Additional costs that may apply:

• Paver releveling: If some pavers have settled or shifted, expect $8-$15 per sq ft to lift, re-level, and relay affected areas


• Edge restraint repair: Loose or damaged edge restraints add $8-$12 per linear foot


• Weed treatment: Pre-treating established weeds in joints adds $0.50-$1.50 per sq ft


• Sealing: Many homeowners combine polymeric sand replacement with sealing — add $4-$8 per sq ft for two-coat sealer application

When to hire a professional: Polymeric sand reapplication is one of the few interlock maintenance tasks homeowners can reasonably DIY on small areas (under 200 sq ft), but professional application makes sense for larger patios, driveways, or when multiple pavers need releveling. The specialized equipment for proper activation and the experience to avoid costly mistakes (like surface hazing) often justify the professional cost, especially given that polymeric sand replacement is only needed every 3-5 years in Metro Vancouver.

Need help finding an interlock maintenance contractor? Vancouver Interlock can match you with experienced professionals for a free estimate on your polymeric sand replacement project.

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