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Free Samples
See the finish before you commit
Trade Account
Trade prices on every range
Expert Advice
Speak to our team · 020 4634 2203
Free Delivery
On orders over £300
Sold By The m²
Calculator on every tile and floor
Klarna & PayPal
Spread the cost, subject to status

Trade Prices
Always trade prices, never retail markup.
UK Delivery
£50 flat rate • up to 20 business days.
FENSA Fitting
Professional install available.
by Linx Square
SKU: 169746
Or 3 payments of £23.09 withKlarnaorPayPalSubject to status
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Linx Square
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Linx Square
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Linx Square
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Linx Square
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Plumbright Polybutylene Barrier Pipe The Plumbright Polybutylene Barrier Pipe is a flexible plumbing and heating pipe designed for use in domestic hot and cold water systems, central heating installations, and wet underfloor heating systems. Manufactured for reliable long-term performance, this barrier pipe offers excellent flexibility for easier routing and faster installation, making it suitable for both professional installers and DIY projects. Ideal for modern heating and plumbing applications, the pipe is compatible with a wide range of push-fit and compression fittings commonly used within underfloor heating and plumbing systems. Key Features and Benefits Flexible polybutylene barrier pipe for easier handling and installation Suitable for hot and cold water services, central heating, and wet underfloor heating Barrier layer helps reduce oxygen ingress within heating systems Compatible with standard compression and approved push-fit fittings WRAS approved for potable drinking water applications Kitemark certified to recognised British Standards Helps reduce installation time compared to rigid pipework Durable construction designed for long service life Suitable for both residential renovation and new-build projects Suitable Applications and Compatibility This polybutylene heating pipe is suitable for a variety of domestic plumbing and heating applications, including: Wet underfloor heating systems Central heating pipework Hot and cold water distribution Renovation and retrofit installations New-build housing projects Floor heating systems using compatible manifolds and fittings The pipe is designed to work with approved push-fit systems and standard compression fittings, providing flexibility across a wide range of installation methods. Role In Underfloor Heating Within a wet underfloor heating system, reliable pipework is essential for efficient heat distribution and long-term system performance. The Plumbright Polybutylene Barrier Pipe is designed to deliver dependable water circulation while helping to minimise oxygen diffusion within the heating system. Its flexible construction allows for easier routing around floor layouts and helps simplify installation in both screeded and floating floor systems. This makes it a practical choice for installers looking to reduce fitting time while maintaining a professional finish. Guidance For best results, install the pipe in accordance with current plumbing and underfloor heating regulations and manufacturer recommendations. Always use compatible fittings and ensure pipework is properly secured and pressure tested before covering or commissioning the system. The flexibility of the pipe makes it particularly suitable for curved runs and continuous loops commonly used in wet underfloor heating installations. Technical Overview Polybutylene barrier pipe construction Suitable for domestic plumbing and heating systems Designed for use in wet underfloor heating applications WRAS approved for drinking water use Certified to BS7291-2 standards Compatible with approved push-fit and compression fittings Designed for long-term durability under normal service conditions :