Installations

PVC Pipes.

PVC has a relatively high CO₂ footprint and is difficult to recycle. Consider PP or PE pipes as alternatives for new installations.

Key Figures

Carbon Footprint (GWP): 2.41 kg CO₂-eq/kg
Density: 1400 kg/m³
Expected Lifespan: 50+ år

What is pvc pipes?

PVC pipes (polyvinyl chloride) are used for drainage installations, sewer pipes, and electrical conduit. They are inexpensive, smooth, and chemically resistant. PVC is controversial for environmental reasons: production involves chlorine gas and plasticisers (phthalates), and PVC is difficult to recycle. PE and PP pipes are more climate-friendly alternatives.

Carbon Footprint Compared

PE pipes 1.89 kg CO₂/kg

PVC pipes ← this material 2.41 kg CO₂/kg

Copper pipes 3.5 kg CO₂/kg

Stainless steel pipes 5.5 kg CO₂/kg

Negative carbon footprint (green) indicates carbon storage. Data based on EPD averages from ECO Platform and estimates per EN 15804.

Typical Applications

check_circle Drainage pipes and sewer pipes
check_circle Electrical conduit
check_circle Gutters and downpipes
check_circle Cooling water and drainage installations

In Renovation

PVC drain pipes are standard in Danish construction from the 1960s–1990s. In renovation, it is recommended to switch to PP pipes for repairs and replacements. Electrical PVC conduit can be preserved.

Questions about pvc pipes

Are PVC pipes dangerous?

The pipe in use is normally harmless. Problems arise during production (chlorine gas) and incineration (dioxin). PVC should not be burned — it must go to chemical waste or specialist PVC reception.

What are alternatives to PVC drain pipes?

PP pipes (polypropylene) and PE pipes are alternatives to PVC drainage installations. They are easier to recycle and contain no chlorine compounds. PE is standard for water supply pipes.

Can PVC be recycled?

PVC is technically recyclable but difficult in practice, as it is typically mixed with other materials and contains additives. The recycling rate for PVC building waste is low.

When is PVC still the best choice?

PVC is difficult to replace in electrical conduit systems (flexible, chemically resistant) and certain drainage installations. For drain pipes, PP pipes are a direct alternative at roughly the same price.

Related Materials

Installations

PE Pipes

GWP: 1.89 kg CO₂/kg

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