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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: 169750
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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 high-quality plumbing and heating pipe designed for use in domestic hot and cold water systems, central heating systems, and wet underfloor heating installations. Manufactured from durable polybutylene material, this barrier pipe provides a reliable and professional solution for modern plumbing and underfloor heating applications where flexibility, performance, and long-term durability are essential. Key Features and Benefits Suitable for hot and cold water distribution systems Compatible with wet underfloor heating systems Flexible construction for quicker and easier installation Provides neat, professional pipework runs Barrier pipe design helps reduce oxygen ingress within heating systems Compatible with standard compression and approved push-fit fittings WRAS approved for potable drinking water applications Manufactured to BS7291 standards for dependable performance Long-life design with excellent resistance to corrosion and scaling Ideal for domestic plumbing, heating, and renovation projects Suitable Applications and Compatibility This polybutylene barrier pipe is suitable for a wide range of residential plumbing and heating installations. It can be used in sealed heating systems, radiator circuits, and wet underfloor heating floor builds where reliable water flow and system protection are required. The pipe is compatible with approved push-fit plumbing systems and standard compression fittings, making it suitable for both professional installers and competent DIY users. Its flexible design helps simplify installations in confined spaces and reduces the need for excessive fittings or joints. Role In Underfloor Heating Barrier pipe plays an important role within wet underfloor heating systems by helping to maintain system efficiency and longevity. The integrated oxygen barrier helps reduce the risk of oxygen permeation into the heating circuit, protecting metal components such as pumps, manifolds, and valves from corrosion. The flexibility of polybutylene pipe also makes installation easier within underfloor heating floor constructions, allowing smooth pipe runs and efficient coverage across heating zones. Guidance Ensure the pipe is installed in accordance with current plumbing and heating regulations as well as manufacturer recommendations. Always use compatible inserts and approved fittings where required. Pressure testing should be completed before covering or commissioning the system. For wet underfloor heating installations, the pipe should be securely fixed and correctly spaced to achieve even heat distribution and reliable long-term performance. Technical Overview Manufactured from durable polybutylene material Barrier pipe construction for heating system protection Suitable for plumbing, central heating, and wet underfloor heating WRAS approved for drinking water use Certified to BS7291 standards Designed for long-term reliability in domestic heating systems Compatible with approved push-fit and compression plumbing fittings :