Accl Waterproofing

We are one of the largest basement waterproofing companies in Ontario. We offer you solutions to keep your basement dry.


A.C.C.L Waterproofing has solidified its position in the construction industry due to its unparalleled record of customer satisfaction. The firm not only takes great pride in using environmentally friendly products of the highest quality but also in being committed to servicing and maintaining each completed project.

At A.C.C.L Waterproofing, every staff member is a foundation/waterproofing professional dedicated to success in each project and to the exceeding of customer expectations.

We are fully licensed, insured, and bonded.

Why Accl Waterproofing Is Ontarios #1 Waterproofing Company

  • Written estimate prior to basement waterproofing
  • 38+ Years of Experience in Waterproofing & Structural Repair
  • Guaranteed lowest price in Toronto and Durham Region for basement waterproofing and foundation repair!
  • Over 200,000 G.T.A, Durham Region, and surrounding areas foundations repaired and waterproofed.
  • Dedication to Customer Satisfaction
  • Waterproofing reviews and testimonials available
  • We are fully licensed, insured and bonded
  • We offer you solutions to keep your basement dry

What Our Customers Say:

ACCL Waterproofing company crew members repaired a leaking crack in our basement. The Work was done quickly and efficiently and we haven’t had any issues since! They answered all our questions and gave us peace of mind. Definitely a company you can trust!!

Hope Paulwel- Ajax Ontario


  • Ajax
  • Ashburn
  • Bethany
  • Blackstock
  • Bowmanville
  • Oakwood
  • Orono
  • Courtice
  • East York
  • Goodwood
  • Gormley
  • Greenbank
  • Greenwood
  • Hampton
  • Markham
  • Millbrook
  • Nestleton Station
  • Newcastle
  • Newtonville
  • North York
  • Pickering
  • Port Hope
  • Port Perry
  • Prince Albert
  • Richmond Hill
  • Sandford
  • Scarborough
  • Seagrave
  • Stouffville
  • Toronto
  • Sunderland
  • Udora
  • Unionville
  • Uxbridge
  • Whitby
  • Guelph
  • Georgina

Dont see your area listed?

Call us (905) 448-5909, (416) 759-2995 or Toll Free 1 (866) 701-8484