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Freshly power washed interlock patio in Toronto, sparkling clean and summer-ready by Fols Design.

Why Interlock Power Washing is a Must Before Summer

When summer rolls around in Toronto, your outdoor spaces get the most use — and that means your interlock surfaces face wear, dirt, and grime buildup. Interlock power washing is an essential step to refresh and protect your yard before the busy season hits. Not only does it enhance curb appeal, but it also prevents damage caused by mold, algae, and trapped debris that can make your paths slippery and unsafe.

At Fols Design, we’ve seen how a thorough power wash can transform tired interlock patios, walkways, and driveways across North York, Richmond Hill, Scarborough, and other Toronto neighborhoods. Preparing your interlock for summer means a cleaner, safer, and more inviting outdoor space — perfect for relaxing or entertaining.

What Power Washing Actually Does for Your Interlock

Power washing blasts away all the gunk that settles into the cracks and between the bricks. This dirt buildup doesn’t just mess with the look — it can cause the sand joints to erode, which leads to shifting or cracking stones. If you leave it untreated, it might cost you way more to fix later.

Also, a clean surface helps water drain properly, preventing puddles that can freeze and expand in cold weather, further damaging your interlock. Basically, power washing is like a reset button for your outdoor flooring, giving it a fresh start for the busy summer months ahead.

When’s the Best Time to Power Wash?

Early to mid-spring is prime time — after the last frost but before summer really kicks in. That way, you can enjoy your clean, safe yard for barbecues, parties, or just relaxing without worrying about slipping or looking at dirty floors.

If you’re in areas with heavy snow like Aurora or Newmarket, it’s especially important to get rid of that salt and grime ASAP once the snow melts. Salt can eat away at your stones and make them brittle.

DIY or Hire the Pros?

Side-by-side comparison of DIY and professional interlock power washing results in a Toronto backyard.

Sure, you can rent a power washer, but it’s tricky — too much pressure and you risk damaging the stones or washing away the sand that holds everything tight. Professionals, like our Fols Design crew, know exactly how to adjust the pressure and use safe, eco-friendly detergents that clean deep without harm. Plus, we spot trouble early — like cracks or drainage issues — and can help you fix those before they become major headaches.

Pro Tip to Keep Your Interlock Looking Fresh Longer

After power washing, sealing your interlock is a game changer. It locks out stains, prevents weed growth, and keeps the stones looking vibrant for years. We offer this service alongside power washing for a complete care package that protects your investment.


If you want your interlock to look great and last longer this summer, hit us up at Fols Design for a free consultation. We handle power washing, sealing, repairs, and full yard maintenance across Toronto, North York, Richmond Hill, Scarborough, and beyond — making sure your outdoor space stays safe, clean, and stylish all season long.