
Linx Square
inc. VAT
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
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: 169749
Need help with this product?
Our team can advise on specification, quantities and delivery — Mon–Fri, 9am–5pm.
Visit the Help CentreSelection

Linx Square
inc. VAT

Linx Square
inc. VAT

Linx Square
inc. VAT

Linx Square
inc. VAT
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 from durable polybutylene material, this barrier pipe offers a reliable and easy-to-install solution for both professional installers and DIY projects. Its flexible construction helps simplify routing around joists, corners, and tight spaces, reducing installation time while maintaining a secure and dependable pipework system. Key Features and Benefits Suitable for wet underfloor heating, plumbing, and central heating systems Flexible polybutylene construction for quicker and easier installation Compatible with standard push-fit and compression fittings Barrier pipe design helps protect system performance and longevity WRAS approved for potable drinking water applications Kitemark certified to BS7291-2 standards Corrosion-resistant and scale-resistant material Suitable for concealed and exposed pipework installations Long-life performance backed by manufacturer guarantee Suitable Applications and Compatibility This polybutylene barrier pipe is suitable for a wide range of domestic plumbing and heating applications, including: Wet underfloor heating systems Domestic central heating circuits Hot and cold water distribution systems Renovation and new-build installations Push-fit plumbing systems Compression fitting pipework systems The pipe is designed for compatibility with approved push-fit fittings and standard compression fittings commonly used within plumbing and heating installations. Role In Underfloor Heating In a wet underfloor heating system, high-quality barrier pipe plays a critical role in maintaining efficient heat transfer and protecting the system from oxygen ingress. The barrier layer helps reduce the risk of corrosion within the heating circuit, supporting the long-term performance of manifolds, pumps, valves, and other heating components. The flexibility of the pipe also allows for smoother installation across floor areas, helping installers create consistent pipe layouts while reducing joint requirements beneath the floor. Guidance Ensure the pipe is installed in accordance with current plumbing and heating regulations and manufacturer guidance. Use only compatible fittings and support components designed for use with polybutylene barrier pipe systems. Pressure testing should always be completed before covering pipework within screed or floor finishes in wet underfloor heating installations. Technical Overview Manufactured from durable polybutylene material BS7291-2 certified barrier pipe WRAS approved for potable water use Suitable for heating and plumbing applications Compatible with push-fit and compression systems Designed for long-term temperature and pressure performance :