Product Description

PolyPlumb 15mm x 3m Polybutylene Barrier Pipe

Model: PB315B

The PolyPlumb 15mm x 3m Polybutylene Barrier Pipe PB315B is a flexible, durable and easy-to-install plumbing pipe designed for use in hot and cold water systems as well as central heating installations. Manufactured by Polypipe, this high-quality barrier pipe is engineered to provide reliable long-term performance while significantly reducing installation time compared to traditional rigid pipework.

Constructed from advanced polybutylene material, the PB315B offers excellent flexibility, making it easier to route through floors, walls and confined spaces. The integrated oxygen barrier helps protect heating system components from corrosion, improving system efficiency and longevity.

Compatible with the full PolyPlumb push fit range and suitable for use with PolyPlumb and copper fittings, this 15mm barrier pipe is trusted by professional plumbers, heating engineers and DIY installers throughout the UK.

PolyPlumb 15mm x 3m Polybutylene Barrier Pipe Features

• 15mm x 3 Metre Polybutylene Barrier Pipe
• Flexible and Lightweight Construction
• Suitable for Hot and Cold Water Systems
• Suitable for Central Heating Systems
• Integrated Oxygen Barrier Technology
• Compatible with PolyPlumb Push Fit Fittings
• Compatible with Copper Pipe Systems
• WRAS Approved
• BBA Approved
• Manufactured to BS7291 Parts 1 & 2
• Quality Assured to BS EN ISO 9001
• Resists Bursting if Freezing Occurs
• Easy to Handle and Install
• Grey Finish
• PolyPlumb Product Information
• PolyPlumb Fittings Guide

Key Features & Benefits

• Flexible Pipe Design – Easier to route through floors, ceilings and walls than rigid pipework.
• Barrier Pipe Technology – Helps prevent oxygen ingress, reducing the risk of corrosion within heating systems.
• Quick Installation – Compatible with PolyPlumb push fit fittings for fast and efficient installation.
• Freeze Resistant Construction – Designed to resist bursting if freezing conditions occur.
• Lightweight and Easy to Handle – Reduces installation time and labour costs.
• Suitable for Multiple Applications – Ideal for plumbing, heating and renovation projects.
• WRAS and BBA Approved – Meets recognised UK plumbing industry standards.
• Professional Quality – Trusted by plumbers, heating engineers and contractors across the UK.

Ideal For

• Domestic plumbing installations
• Central heating systems
• Hot and cold water services
• Underfloor heating systems
• New build developments
• Property renovations
• Commercial plumbing projects
• Maintenance and repair work

Why Choose PolyPlumb Barrier Pipe?

PolyPlumb barrier pipe offers the perfect combination of flexibility, durability and performance. Its advanced polybutylene construction makes installation easier than traditional copper pipe, while the integrated barrier layer helps protect heating systems from corrosion and extends system life.

When used alongside PolyPlumb push fit fittings, it provides a complete plumbing solution trusted throughout the UK construction and plumbing industry.

Why Buy from SNH Tradecentre?

• Competitive prices on PolyPlumb products
• Large stock availability
• Nationwide delivery available
• Expert plumbing and heating advice
• Trade and public customers welcome
• Trusted UK plumbing supplier
• Collection available from our Kent trade counter