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Waterproofing Jobs in Ontario (NOW HIRING)

Flynn Group of Companies

Glazier Journeyman

Sudbury, ON · On-site

CA$21.30 - CA$38.72/hr

Flynn is North America's leading trade contractor, working on virtually every aspect of a Building's outer layer, including Roofing, Glazing, Waterproofing and Architectural Metals. Flynn's strong ...

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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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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.

Commercial Roofing Technician

Tremco Construction

Woodbridge, ON

CA$29 - CA$44/hr

Full-time

Retirement

Re-posted yesterday

Job description

About Us

Tremco CPG has been a global leader in solving complex waterproofing and roofing challenges since 1928. Weatherproofing Technologies Canada (WTC), Tremco's service division, is currently seeking experienced Commercial Roofing Technicians to support projects in Victoria region.

Key Responsibilities

  • Roofing System Installation
    Under the direction of a Foreman, install a variety of low-slope roofing systems, including BUR, EPDM, single-ply membranes, coatings, and safety systems.
    Ensure all work is performed safely and in compliance with applicable health and safety regulations.
  • Inspections & Maintenance
    Conduct routine quality assurance (QA) and maintenance inspections using diagnostic tools and equipment.
    Identify issues, document findings, and communicate recommendations to ensure systems are functioning effectively.
  • Safety & Compliance
    Operate tools and equipment safely, adhering to company policies and provincial safety standards.

Qualifications

  • Minimum 2+ years of commercial roofing experience, with a focus on flat or low-slope systems (steep-slope experience also considered).
  • Ability to work at heights and regularly lift up to 50 lbs.
  • Willingness to travel  up to 25%-35%  within the region and work flexible hours during peak seasons.
  • Strong communication and teamwork skills.
  • Valid driver's license and reliable transportation required (truck is an asset).

Compensation

  • Hourly rate typically ranges from $29.00 to $44.00, based on experience, skills, internal equity, and market alignment.

Benefits

  • Competitive base compensation
  • Full benefits coverage without paying premiums
  • Defined Contribution Pension Plan

Wellness & Support

  • Access to a confidential Employee Assistance Program (EAP) providing support for personal and professional challenges at no cost to employees

Equal Opportunity Employer


"WTC is committed to the fundamental principle of equal employment opportunity. We are committed to treating people fairly, with respect and dignity, and to offer equal employment opportunities based upon an individual's qualifications, performance and merit - free from discrimination on the basis of race, color, sex, sexual orientation, religion, age, marital status, disability, or any other basis prohibited by law."

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