15mm Pipe Insulation
15mm Pipe Insulation — UK Specialist Supplier
Shop our full range of 15mm pipe insulation, the most common size for domestic copper pipework in UK homes. Compatible with standard 15mm copper pipe used for central heating, hot and cold water systems.
Available Products
- Armaflex Tubolit 15mm — Class O flexible foam pipe insulation in 9mm and 13mm wall thickness. The UK's best-selling pipe insulation for domestic central heating and plumbing.
- Rockwool Rocklap 15mm — Mineral wool pipe insulation with foil facing, ideal for high temperature heating pipework and fire-rated applications.
- Self-Seal 15mm — Pre-slit foam insulation with adhesive closure strip for fast, tool-free installation.
Why Insulate 15mm Pipework?
15mm is the standard size for domestic hot and cold water pipes and central heating flow and return pipes in UK residential properties. It is the most widely installed copper pipe size in the UK.
Choosing the Right Wall Thickness
- 9mm wall — Standard domestic applications, condensation control on cold pipes
- 13mm wall — Enhanced thermal performance, recommended for heating pipework and frost protection
