The 12mm PEX-AL-HDPE Barrier Pipe is a high-performance solution designed for modern underfloor heating systems and other low-temperature heating applications. Manufactured to strict European standards, it delivers excellent durability, efficiency, and long-term reliability.
The pipe features a multi-layer composite construction, combining cross-linked polyethylene (PEX), a central aluminium layer, and a high-density polyethylene (HDPE) outer layer. This design provides outstanding strength and flexibility while maintaining dimensional stability during installation and operation.
A key benefit of the integrated aluminium core is its 100% oxygen-tight barrier, which prevents oxygen ingress into the heating system. This helps protect critical components such as manifolds, pumps, and boilers from corrosion, extending the overall system lifespan.
The aluminium layer also enhances heat diffusion, making the pipe highly efficient in low-temperature systems such as underfloor heating. Its carefully engineered diameter allows for tight bending radii while retaining its shape once laid, reducing installation time and minimising the need for additional fixings.
Designed with installers in mind, the 12mm pipe is easy to handle, compatible with standard underfloor heating fittings and manifolds, and suitable for both residential and light commercial applications.
For added peace of mind, this PEX-AL-HDPE barrier pipe is supplied with a 25-year manufacturer’s warranty, reflecting its quality of materials and manufacturing standards.
Key benefits:
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European standard 12mm barrier pipe
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Multi-layer PEX-AL-HDPE construction
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100% oxygen-tight aluminium core
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Excellent heat transfer for low-temperature systems
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Flexible yet shape-retaining for faster installation
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Corrosion-resistant and system-protective
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25-year manufacturer’s warranty
A reliable choice for efficient, long-lasting underfloor heating installations.
