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Deck, Fence & Interlock Sealing in Scarborough & the GTA

Interlock, deck, fencing, concrete floors, painting, garage floors, gum removal, graffiti removal and much more

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See how we bring old surfaces back to life.

HomeStars Best of 2023, 2024, 2025

We were named Best Concrete Contractor 3 years in a row by HomeStars

At Seal Tech Inc. we take pride in using only the most up-to-date high-pressure cleaning and sealing techniques and equipment. Our goal is your satisfaction — with over 15 years of experience, we are the experts you can trust for your next project.

Deck, Fence & Interlock Sealing in Scarborough and Across the GTA

Seal Tech Inc. is a Scarborough company that cleans, stains and seals the outdoor surfaces that take the worst of a Toronto winter: wood decks and fences, interlocking driveways and patios, natural stone, pattern concrete and garage floors. We have been doing this work for more than 15 years, from our base at 53 Woodgrove Dr. in Scarborough, for homeowners, property managers and builders across Toronto, North York, Markham, Vaughan and the rest of the GTA.

What We Do

Wood decks and fences

Power washing, staining, sealing and painting for decks, fences and pergolas. Cleaning comes first, so the stain soaks into bare wood instead of sitting on top of dirt and old finish. Deck & fence services

Interlock driveways, walkways and patios

We power wash the pavers, re-sand the joints and seal the surface, which holds back weeds, oil stains and the joint wash-out that loosens stones over time. Interlock cleaning & sealing

Natural stone and pattern concrete

Cleaning and sealing that brings back the colour of stamped concrete and stone and protects it from salt and freeze-thaw. Natural stone & pattern concrete

Garage floors and epoxy coatings

Garage floor cleaning and epoxy coatings that stand up to road salt and hot tires and wipe clean. Garage floor & epoxy

Commercial work

Fence and deck sealing for new and existing subdivisions, exterior cleaning for low-rise commercial buildings, underground parking garage cleaning, and gum and graffiti removal. Commercial services

Why Homeowners Choose Seal Tech

  • A+ rating with the Better Business Bureau.
  • HomeStars Best of award, three years running.
  • WSIB compliant, so you are not exposed if someone is hurt on your property.
  • Local: we are based in Scarborough and work across the GTA.
  • Free written quotes. Send a few photos and we can usually price the job without a site visit.

How a Quote Works

Fill in the short form on this page or call (416) 966-4200, Monday to Friday, 8am to 6pm. Tell us which surfaces you need done and add a photo if you have one. We call you back, ask the few questions that matter for pricing, and send you a written quote.

Have a question first? Our FAQ covers timing, drying times and how often decks and interlock need resealing, and you can see finished jobs in our project gallery.

Residential

Seal Tech provides a number of services for residential properties:

  • We can quote on protecting and treating wood.
  • Powerwash interlock, stamped concrete and much more.
  • We can clean garage floors and apply epoxy coatings.
  • Don't see something on the list? Call us at (416) 966-4200 to find out what we can offer you.
Get a Free Quote

Commercial

Seal Tech is an industry leader in pressure cleaning and applying protective sealant:

  • We quote on sealing and staining of fencing and decks for new and existing subdivisions.
  • We clean the exterior of low-rise commercial structures.
  • We provide cleaning services for underground parking garages.
  • Gum and graffiti removal.
Get a Free Quote
WSIB compliant
We guarantee our work

Ready to make your surfaces look new again?

Free, no-obligation quotes across the GTA — usually within one business day.