Join Mongrain’s growing field team in BC

Mongrain is a third-generation, family-owned company with more than 75 years of experience in the construction industry. Specializing in waterproofing, insulation, roofing, cladding, and fireproofing, we bring decades of technical knowledge and practical field experience to every project. As we expand into British Columbia through Mongrain Pacific Building Systems Inc., we are building a Vancouver team that combines the backing of an established company with the opportunity to help shape a growing local operation.

We are seeking a dependable Membrane Installer to help install and finish membrane systems on construction projects. The role involves working with a crew, using hand tools, and following project plans and safety procedures. Construction, carpentry, or handyman experience is helpful; training may be provided for candidates who are ready to learn.

Duties

Depending on your experience and the project, your work may include:

Install spray applied, torch applied and self adhesive water proofing membranes and air/vapour barriers on foundations, walls, and other specified surfaces.

Install rigid insulation, mineral-wool insulation, protection boards, and drainage membranes.

Prepare concrete, plywood, and metal substrates by cleaning surfaces, removing loose material, and identifying defects.

Apply compatible primers, adhesives, sealants, and mastics according to manufacturer instructions.

Complete membrane detailing at corners, joints, penetrations, openings, transitions, and terminations.

Measure, cut, fit, overlap, and roll membranes to achieve continuous adhesion and proper coverage.

Install termination bars, fasteners, washers, Z-bars, and associated components where included in the scope.

Assist with liquid- or spray-applied waterproofing systems where trained and authorized.





Read installation details and follow directions from the supervisor and project team.

Protect adjacent surfaces and completed work from damage or contamination.

Check installation quality and report unsuitable substrates, moisture, temperature concerns, or access problems before proceeding.

Handle materials safely and maintain tools, equipment, and an organized work area.

Follow site safety procedures and use the required PPE and fall-protection equipment.

Support daily coordination, planning and progress reporting.

Requirements

- Previous construction experience installing waterproofing membranes, air barriers, insulation, roofing, or closely related systems.
- Preference for candidates with two or more years of directly relevant installation experience.
- Ability to complete careful detailing around penetrations, corners, transitions, and terminations.
- Confidence using measuring tools, utility knives, drills, rollers, and other installation tools.
- Ability to follow drawings, manufacturer instructions, and supervisor directions.
- Ability to perform the physical duties of the role, including material handling, bending, kneeling, and working outdoors.
- Willingness to work at heights when required, using appropriate training and protection.
- Reliable attendance, punctuality, teamwork, and a solid approach to safety.
- Ability to communicate clearly with the crew and supervisor.
- Reliable transportation to assigned project sites.
- Legal authorization to work in Canada.
- Ability to perform physical work,



including standing, bending, climbing, and heavy lifting.
- Familiarity with hand tools and safe tool-handling practices.

Additional assets

Experience with below-grade foundation waterproofing, blindside systems, or podium-deck waterproofing.

Experience installing self-adhered membranes, liquid-applied membranes, drainage boards, and rigid insulation.

Experience with Z-bars, metal flashing, termination bars, or building-envelope transitions.

Current WHMIS, fall-protection, aerial-lift, first-aid, or manufacturer training.

Valid driver’s licence.

Ability to lead a small crew, plan daily activities, and identify material requirements.

Applicants should list their current training certificates and expiry dates. Equipment operation and specialized applications will be assigned according to training and authorization.

Why join Mongrain?

Help establish and grow our Vancouver field team.

Work on varied waterproofing and insulation projects.

Develop experience with different materials, installation methods, and building-envelope details.

Bring your workmanship and practical ideas to a team that values quality and reliable execution.

Travel to montreal for the training for 3-4 week.

How to apply

Send your résumé or a summary of your installation experience to [email protected].

Email subject: Membrane Installer – Vancouver

Please include:

Systems and materials you have installed.

Years of relevant experience.

Current safety and equipment certifications.

Whether you have a driver’s licence and reliable transportation.

Your availability to start.

Mongrain welcomes applications from qualified candidates of all backgrounds. Please advise us if you require accommodation during the recruitment process.

Pay: $25.00-$35.00 per hour

Work Location: In person

📌 Membrane installer (Vancouver)
🏢 Mongrain Inc (Mongrain Pacific Building systems
📍 Vancouver