Armacell Tubolit Pipe Insulation — Box Quantities 1m Lengths
Armacell Tubolit Pipe Insulation — Box Quantities 1m Lengths
Armacell Tubolit Polyethylene Foam Pipe Insulation — Box Quantities, 1m Lengths
Armacell Tubolit is the UK's most widely used polyethylene foam pipe insulation, trusted by plumbers, heating engineers and DIY homeowners for its ease of installation, reliable thermal performance and outstanding value. Available here in full box quantities in 1m lengths — the most cost-effective way to buy Tubolit for trade and larger domestic projects.
Tubolit is a closed-cell grey polyethylene foam, pre-split along its length for fast, tool-free installation. Simply open the slit, place around the pipe and secure with insulation tape. No adhesive required.
Wall Thickness Guide
- 9mm wall — Standard condensation control and light thermal insulation for domestic hot and cold water pipes in heated spaces
- 13mm wall — Enhanced thermal performance, recommended for central heating pipework and pipes in partially heated spaces. Meets Part L minimum requirements for most domestic applications
- 19mm wall — Improved frost protection for pipes in unheated spaces such as lofts and garages
- 25mm wall — Maximum frost protection and thermal performance for exposed or outdoor pipework
Available Bore Sizes
Available in bore sizes to suit all standard UK copper pipe: 15mm | 22mm | 28mm | 35mm | 42mm | 48mm | 54mm | 60mm
Why Choose Tubolit?
- Pre-split for fast installation — no tools or adhesive required, simply open and press around the pipe
- Closed-cell foam — resists moisture absorption and maintains thermal performance over time
- Lightweight and flexible — easy to cut to length with scissors or a knife, bends around elbows and fittings
- Cost-effective — box quantities offer the best price per metre for trade and larger projects
- Widely specified — meets the requirements of Water Regulation Bylaw 49 for domestic pipe insulation
Common Applications
- Domestic central heating flow and return pipes
- Hot and cold water supply pipes
- Condensate pipes from boilers
- Pipes in lofts, garages and unheated spaces
- Retrofit insulation on existing pipework
Also available in self-seal versions and as individual lengths. For technical advice on wall thickness selection or compliance with Part L, call our team on 0161 775 1190 (Mon–Fri 8am–4pm).