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Waterproofing Jobs in Ontario (NOW HIRING)

East Star Asphalt Maintenance

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Waterproofing Labour

Scarborough, ON · On-site

CA$30/hr

Located in Scarborough, we are a family rub Waterproofing Contractor who operates across the GTA. We are requiring employees to have licences to drive our work pickup to and from our shop location in ...

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Highrise Restoration Inc.

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Restoration Construction Estimator

Mississauga, ON · On-site

CA$80K - CA$100K/yr

Highrise Restoration Inc. is a growing general contracting company specialising in building envelope, parking garage, balcony, facade, waterproofing, and capital restoration projects for condominium ...

Triumph Group of Companies

Flat Roofer

Toronto, ON

Triumph Group of Companies Role Overview Flat Roofer is a hands-on field role responsible for installing, repairing, and maintaining low slope roofing and waterproofing systems on commercial and ...

Triumph Group of Companies

Flat Roofer

Toronto, ON · On-site

Triumph Group of Companies Role Overview Flat Roofer is a hands-on field role responsible for installing, repairing, and maintaining low slope roofing and waterproofing systems on commercial and ...

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All JobsWaterproofing JobsWaterproofing Jobs in Ontario

Waterproofing information

See Ontario salary details

$8

$19

$37

How much do waterproofing jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for waterproofing in Ontario is $19.69, according to ZipRecruiter salary data. Most workers in this role earn between $15.62 and $21.15 per hour, depending on experience, location, and employer.

What is waterproofing and why is it important?

Waterproofing is the process of making a structure or surface resistant to water penetration. It is crucial for protecting buildings, basements, roofs, and other structures from water damage, which can lead to mold growth, structural deterioration, and costly repairs. Effective waterproofing extends the lifespan of buildings and maintains a healthy indoor environment by preventing leaks and moisture buildup.

What is a waterproofing job?

Waterproofing jobs are available in commercial and residential construction industries. Construction, roofing, general contracting, and masonry companies hire waterproofers for a range of building site tasks. As a waterproofer, you apply caulking, sealants, and coatings to roofing and structural joints to prevent water from getting through. Your responsibilities include determining the appropriate materials and processes to repair and waterproof a roof, ensuring clean and proper application of caulking and other compounds, and following company guidelines to complete each task. Job duties involve climbing up and down ladders, navigating difficult terrain while at high elevation, and working in all weather conditions to meet deadlines.

What are the key skills and qualifications needed to thrive as a waterproofing specialist?

To thrive as a Waterproofing Specialist, you need a solid understanding of construction practices, building materials, and safety procedures, often supported by on-the-job training or relevant certifications. Familiarity with waterproofing systems, sealants, membranes, and tools like moisture meters is important, and certifications such as those from the International Concrete Repair Institute (ICRI) can be beneficial. Attention to detail, problem-solving skills, and effective communication help ensure quality work and smooth collaboration with clients and other trades. These competencies are crucial to prevent water damage, uphold structural integrity, and deliver reliable, long-lasting results.

What are the most common challenges faced by waterproofing professionals on construction sites?

Waterproofing professionals often encounter challenges such as working in tight or hard-to-reach spaces, managing weather-related delays, and ensuring surfaces are properly prepared before application. Coordination with other trades is crucial, as waterproofing tasks often depend on the schedule and completion of other construction activities. Staying updated with the latest materials and application techniques is also important to meet safety standards and achieve long-lasting results.

What is the difference between Waterproofing vs Waterproofing Installer?

AspectWaterproofingWaterproofing Installer
CertificationsMay include industry-specific waterproofing certificationsTypically requires waterproofing certifications and training
Work EnvironmentDesign, planning, and overseeing waterproofing projectsHands-on application of waterproofing materials on-site
Employer & Industry UsageUsed broadly for project management and consulting rolesUsed for field installation roles in construction and building maintenance
Search & Comparison IntentUnderstanding project scope and designFinding skilled installers for waterproofing jobs

Waterproofing involves planning, designing, and overseeing waterproofing projects, often requiring certifications and a broader understanding of building systems. Waterproofing installers focus on the hands-on application of waterproofing materials on-site, ensuring proper installation according to specifications. Both roles are essential in construction and maintenance, but they differ in responsibilities and required skills.

How much money can you make waterproofing?

Waterproofing professionals typically earn between $30,000 and $70,000 annually, depending on experience, location, and specialization. Skilled workers with certifications and experience in commercial or residential projects can earn higher wages, especially when working overtime or on complex jobs.
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What are popular job titles related to Waterproofing jobs in Ontario?

For Waterproofing jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Waterproofing jobs in Ontario look for?

The top searched job categories for Waterproofing jobs in Ontario are:

Waterproofing jobs near you
Infographic showing various Waterproofing job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 11% Part Time, and 1% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $40,964 per year, or $19.7 per hour.

Waterproofing Estimator

Bothwell Accurate

Mississauga, ON • On-site

Full-time

Re-posted 18 days ago

Job description

About Bothwell-Accurate


Bothwell-Accurate Co. Inc. has been a leader in roofing, waterproofing, cladding and glazing services across Ontario and British Columbia for over 90 years. With more than 60,000 completed projects, we're known for delivering high-quality, innovative and reliable building envelope solutions to commercial, industrial and institutional clients.

As we continue to expand, we are seeking a Waterproofing Estimator to play a key role in delivering competitive and accurate bids from our Head Office in Ontario. This is an excellent opportunity if you are detail-oriented, passionate about construction, and thrive in a fast-paced, collaborative environment.

What You'll Do

  • Review project documents, including drawings and specifications, to assess waterproofing scope and requirements
  • Perform quantity take-offs and material estimates for waterproofing systems (e.g., below-grade, foundation, roofing interfaces, plaza decks, etc.)
  • Prepare detailed cost estimates for waterproofing projects, ensuring accuracy and competitiveness
  • Submit bids and track project proposals to ensure timely and compliant submissions
  • Collaborate with suppliers and subcontractors to gather pricing information and negotiate costs
  • Communicate with project managers, site supervisors, and clients to ensure alignment on project scope
  • Use industry-specific software, such as Bluebeam and Microsoft Office, for estimating and documentation
  • Maintain and update cost databases, historical pricing records, and bid tracking systems


What You Bring to the Team

  • A diploma or degree in Architectural Technology, Construction Management, or a related field
  • Minimum 2 years of experience in construction, preferably in waterproofing, roofing, or building envelope projects
  • Strong understanding of waterproofing systems, materials, and installation methods
  • Strong analytical and mathematical skills for cost estimation and quantity take-offs
  • Ability to read and interpret architectural and engineering drawings
  • Excellent communication and organizational skills to collaborate effectively with internal teams, suppliers, and clients
  • Proficiency in Microsoft Office, Bluebeam, PlanSwift, Excel, and GoNest (or similar estimating/optimization software)
  • Self-motivated with strong attention to detail and the ability to meet tight deadlines

Role Snapshot

  • Location: Head Office - 6675 Rexwood Rd, Mississauga, ON
  • Type: Full-Time, Onsite
  • Hours of Work: M-F, 8:00 a.m. - 5:00 p.m.
  • Salary: $60,000 - 80,000 (based on experience)
  • Reports To: Waterproofing Estimating Manager
  • Pay Schedule: Paid bi-weekly, every second Friday
  • Vacancy Reason: New Position / Existing Vacancy
  • Number of Positions: 1

Why Join Bothwell-Accurate?

  • Real opportunities to grow and advance
  • A team that supports you like family
  • Competitive benefits that grow with you
  • Bi-weekly pay you can count on
  • Work on high-profile, high-impact projects


Where your work shapes skylines, and your growth shapes your career.


Bothwell-Accurate Co. Inc. is committed to equity, diversity, and inclusion. Accommodations are available upon request during the hiring process. Please contact us at hr@bothwell-accurate.comor 905-673-0615 if you require support.


Interested in joining our team? Apply today!

Apply