More jobs:
Lagger/Thermal Insulation Operative
Job in
London, Greater London, W1B, England, UK
Listed on 2026-10-17
Listing for:
Build Recruitment
Full Time
position Listed on 2026-10-17
Job specializations:
-
Trades / Skilled Labor
HVAC Tech / Heating Engineer, Installation Technician, Building Maintenance, Construction Labor & Trades
Job Description & How to Apply Below
LAGGERS / THERMAL INSULATION OPERATIVES
Location:
London & Greater London
Job Type: Long-term / Ongoing Projects
Sector:
Commercial Construction / Building Services
Pay:
Competitive rates – dependent on experience and project
We are currently looking for experienced Laggers / Thermal Insulation Operatives for a number of projects across London.
We are looking for skilled operatives with a genuine background in thermal insulation and lagging, working across commercial construction projects including schools, hospitals, offices, hotels, residential developments, plant rooms and major M&E installations.
This is an excellent opportunity for experienced Laggers looking for consistent work on established London projects.
THE ROLE As a Lagger / Thermal Insulation Operative, you will be responsible for the installation of thermal and acoustic insulation systems across a range of mechanical services.
Typical works will include:
Installing thermal insulation to pipework, ductwork and associated mechanical services
Lagging hot and cold water pipework
Insulating heating and chilled-water pipework
Installing insulation to HVAC and ventilation ductwork
Working within plant rooms and M&E service areas
Installing insulation to valves, flanges, bends, tanks and associated equipment
Measuring, cutting and fitting insulation materials accurately
Installing vapour barriers and protective finishes where required
Installing pre-formed or fabricated metal/PVC cladding
Working with materials such as mineral wool, Rockwool, glass fibre, cellular glass, PIR/PUR and elastomeric insulation
Jointing, sealing and weatherproofing insulation systems
Working from drawings, specifications and manufacturer instructions
Measuring quantities and minimising material wastage
Using hand tools and power tools safely
Preparing surfaces prior to insulation installation
Removing and replacing existing insulation where required
Maintaining a clean and safe working area
Working safely at height using appropriate access equipment
Following RAMS, permits and site-specific safety procedures
Liaising with other trades and site management to coordinate works
Reporting any defects, issues or changes to the Site Manager / Supervisor
Ensuring all works are completed to the required quality and specification EXPERIENCE & QUALIFICATIONS Essential:
Some sites will need Enhanced DBS.
Proven experience working as a Lagger / Thermal Insulation Operative
Strong practical experience installing insulation to pipework and/or ductwork
Good understanding of different insulation materials and their applications
Ability to read and work from drawings, specifications and technical information
Competent with relevant hand tools and power tools
Good understanding of construction-site health & safety
Able to work independently and as part of a wider M&E team
Reliable, punctual and professional
Right to work in the UK Qualifications / cards:
CSCS card appropriate to the role
NVQ / Level 2 qualification in Thermal Insulation / Commercial Thermal Insulation desirable
Relevant apprenticeship or recognised thermal insulation qualification desirable
IPAF / PASMA desirable depending on project
Asbestos Awareness desirable, particularly for refurbishment projects
Additional site-specific qualifications may be required depending on the project
Relevant qualifications and proven experience will be considered where candidates do not hold every listed certification.
SKILLS WE ARE LOOKING FORThe ideal candidate will have experience with:
Pipework lagging
Ductwork insulation
HVAC insulation
Chilled-water systems
Heating systems
Plant rooms
Acoustic insulation
Thermal insulation
Vapour barriers
Metal/PVC cladding
Valves, flanges, bends and fittings
Insulation removal and replacement
Working from drawings and specifications
Commercia…
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