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Plumbing Materials Checklist (UK)

Essential plumbing materials for UK building projects. This guide covers pipes, fittings, valves and accessories commonly used in domestic plumbing work.

Copper & plastic pipe

  • 15mm copper pipe for basin feeds
  • 22mm copper pipe for baths and heating
  • Plastic barrier pipe (PEX) for heating systems
  • Push-fit plastic pipe for cold and hot water
  • PVC waste pipe (32mm, 40mm, 50mm)
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Fittings & connectors

  • Push-fit elbows, tees and straight couplers
  • Compression fittings for copper
  • End-feed or solder-ring fittings
  • Reducer fittings (22mm to 15mm)
  • Stop ends and blanking caps

Valves & controls

  • Isolation valves (15mm and 22mm)
  • Gate valves for main shut-offs
  • TRV and lockshield radiator valve pairs
  • Service valves for appliances

Traps, wastes & drainage

  • Bottle traps (32mm for basins)
  • Bottle traps (40mm for baths/showers)
  • P-traps and S-traps
  • PVC waste elbows and couplers
  • Waste adaptors and connectors

Fixings & accessories

  • Pipe clips and brackets
  • Pipe insulation (foam or fiberglass)
  • PTFE tape and jointing compound
  • Silicone sealant
  • Flexible hoses for taps and toilets

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