Articles
Plastic journeymanPlastic welding · 8 minAn introduction to common methods for welding thermoplastics — hot-air welding, mirror welding, extrusion and electrofusion welding — and what determines whether a joint becomes tight and strong.Work with epoxy and isocyanatesChemical safety · 7 minA review of why work with epoxy and isocyanates requires special training what health hazards the substances pose and how to protect yourself correctly.Safety when working with asbestosAsbestos · 8 minAn overview of asbestos's health risks where the material is typically found in older buildings and the basic principles for working safely with and removing asbestos-containing materials.Plastic materials and their propertiesMaterial knowledge · 8 minAn introduction to the plastic materials you encounter in the trade — the difference between thermoplastics and thermosets, common plastic types and their properties, and how to identify the material before you work with it.Protective equipment in plastic, epoxy and asbestos workProtective equipment · 7 minA review of how to choose and use personal protective equipment correctly across the three work areas — why the right choice depends on substance and task and how protective equipment is maintained and removed without spreading contamination.Legislation and duties in hazardous workLegislation · 7 minAn informative overview of how occupational health and safety legislation frames work with plastic epoxy isocyanates and asbestos — training requirements hazard disclosure workplace assessment and cooperation between employer and employee.Code number (MAL code) and product selectionChemical safety · 8 minA review of the code number system (the MAL code) — what the number before and after the hyphen means how the code governs requirements for ventilation and protective equipment and how you use the substitution principle to choose the least hazardous product.Asbestos: dusty and dust-free workAsbestos · 8 minA review of how asbestos rules distinguish between dust-producing and low-dust work rather than just indoors and outdoors what it means for precautions and reporting and why method choice determines how hazardous work becomes.Handling and disposal of hazardous wasteWaste and environment · 8 minA review of how waste from plastic epoxy and asbestos work is sorted and disposed of — what makes waste hazardous how it is packed and labeled and why it must never be mixed with ordinary waste.Plastens historie: fra Bakelit til moderne svejsbar termoplastHistory · 9 minA story of how plastic went from being a chemical curiosity to becoming one of construction's most important materials — from Bakelite as the world's first fully synthetic plastic in the early 1900s through the interwar period's new polymers like PVC and polyethylene to the modern weldable thermoplastics in pipes and tanks and the epoxy work that today requires training.Asbestos history: from miracle mineral to banned substanceHistory · 8 minA story of asbestos's long journey from ancient wonder material to today's forbidden substance — from Greeks and Romans who already suspected it made workers sick through industrialization's enormous consumption in eternit and insulation to the gradual bans in Denmark and the rest of the world and the specialized remediation work the trade performs today.The Authorisation Scheme for Asbestos RemovalAsbestos · 8 minFrom 1 January 2025 companies that demolish asbestos-containing material must themselves have authorisation from the Danish Safety Authority. The article covers requirements for quality management system responsible person and employee training as well as the tightened requirements for the work itself that came into force 21 December 2025.Isocyanate training structure: basic training, supervision and refresherChemical safety · 8 minThe requirement for training in isocyanate work has been tightened several times: from August 2023 it also includes supervisory staff and situations with increased exposure risk, and there is now a requirement for refresher training every 5 years. The article brings together who needs what training and when it should be renewed.Who may not work with isocyanates — and how you react to symptomsHealth · 7 minThere is no requirement for routine health checks for isocyanate work but certain health conditions rule out the work in advance and suspicion of occupational asthma must be reported to the Occupational Injury Insurance. The article covers who should not work with isocyanates and how to respond to early symptoms.Pressure testing and quality control of plastic weldsTechnique · 8 minA plastic weld can look perfect and still be leaky or weak. The article reviews the control steps from visual inspection to destructive testing under DS/EN 12814 series and pressure testing of piping and why documentation is a fixed part of quality control.Ventilation and extraction during hazardous workSafety · 8 minBefore personal protective equipment there is a layer of measures aimed at preventing hazards from reaching the worker. The article reviews the STOP principle, the main ventilation types, and the practical pitfalls that make an otherwise good ventilation solution less effective.Career path: from certificate holder to work leader and site supervisorCareer · 7 minThe certificates in plastics, epoxy and asbestos are rarely the end goal in themselves — for most they are a specialization on top of a craft background. The article looks at what the certificates open up in terms of tasks how the path can continue towards team leader and work supervisor roles and what employers focus on along the way.