Interlocking pavers bring character, structure, and long-term value to patios, walkways, and driveways. But like any outdoor surface, they collect buildup over time. Dirt settles in, weeds take root, and stains become harder to remove the longer they sit. Without routine care, even well-installed pavers start to look uneven or worn.

This guide explains the most common issues, why they happen, and the simple habits that keep your pavers looking clean, stable, and safe.

Why Interlocking Pavers Need Regular Attention

Pavers are durable, but they’re also exposed to every season. Rain, heat, snow, and organic debris all affect the surface differently. Most problems don’t show up overnight—they build slowly until the surface starts looking tired or uneven.

Understanding where these issues come from makes maintenance easier and far more effective.

1. Weed Growth Between Pavers

Weeds are the most common frustration for homeowners. The spaces between pavers naturally collect dust, sand, and organic material, and that mix becomes the perfect seedbed. Seeds usually arrive by:

• Wind
• Birds or small animals
• Nearby plants and garden beds

Once they sprout, weeds can:

• Push pavers out of place
• Make surfaces uneven
• Trap moisture that accelerates erosion and freeze–thaw damage

Simple prevention:
Regular sweeping, replenishing joint sand, and keeping surrounding garden beds tidy all limit weed activity.

2. Stains from Everyday Use

Pavers are porous. That means they absorb whatever lands on them—food spills, grease from barbecues, oil from vehicles, and organic stains from leaves or berries.

Over time, stains can:

• Change the colour of the surface
• Become harder to remove
• Weaken the paver if oils penetrate deeply

Quick response helps:
Blot spills instead of scrubbing, use mild detergent for light stains, and handle oils or rust quickly before they settle in.

3. Moss and Algae in Damp or Shaded Areas

Moisture is the trigger. When pavers sit in shade or areas with poor drainage, moss and algae take hold.

The challenge is more than appearance:

• These growths create slippery surfaces
• They hold moisture against the pavers
• Winter freezing can cause cracks or surface flaking

Prevention:
Improve drainage where possible, sweep regularly, and treat affected areas with a safe moss-inhibiting solution.

4. Shifting, Settling, and Joint Erosion

Over time, the sand between the joints washes out through rain and regular use. When that happens:

• Pavers loosen
• Edges lift
• Water flows underneath instead of across the surface

This is when uneven areas and trip hazards begin to appear.

Maintenance tip:
Re-sanding joints every one to two years helps keep everything locked in place.

A Simple Maintenance Routine That Works

You don’t need to overhaul your entire patio or driveway to keep it looking its best. A few consistent habits go a long way.

Sweep Regularly

Clears debris, prevents organic buildup, and reduces weed activity.

Clean Stains Promptly

The quicker you respond, the easier they are to remove.

Replenish Joint Sand

Keeps pavers stable and reduces gaps where weeds take hold.

Address Drainage Issues

Standing water is the root cause of many long-term problems.

Seal Periodically

A good sealant protects against stains, moisture, sun fading, and erosion.

When a Professional Cleaning Makes Sense

Even well-maintained pavers benefit from a deeper clean now and then. Professional equipment can:

• Remove deeply embedded dirt
• Eliminate moss and algae without damaging the surface
• Lift tough oil or organic stains
• Restore the original colour and texture
• Prepare the surface for fresh joint sand and protective sealer

For homeowners who want their pavers to last, this deeper reset once every year or two keeps everything in top shape.

Interlocking pavers are a long-term investment. With a bit of routine care and the occasional deep clean, they stay stable, safe, and visually appealing for years. Small habits—sweeping, quick stain cleanup, checking joints—make a noticeable difference over time.