AIS Multilayer pipes
Lightweight and flexible
Easier and faster to handle and install than rigid copper or PPR pipes, AIS multilayer pipes are suitable for domestic hot and cold water, heating and underfloor installations

AIS Multilayer pipes
Efficient flow, lasting performance
Thanks to its low roughness, scale deposits on the walls of the pipe are avoided

AIS Multilayer pipes
Dimensions for all needs
Pipes available from 16mm to 75mm, allowing installations where high flow rates are required.

AIS Multilayer pipes
Unbeatable oxygen tightness
Welded aluminum layer ensures resistance to oxygen diffusion, securing system integrity.

AIS Multilayer pipes
With AIS Multilayer Pipes, you gain reliable, efficient, and versatile solutions for domestic hot and cold water systems, heating, and radiant underfloor applications.
We offer two premium options: AIS Multilayer PERT-AL-PERT and AIS Multilayer PEXb-Al-PEXb pipes, compatible with our AIS AGILE, AIS PPSU and AIS XPRT and AIS Modular fittings. Both pipe systems are manufactured in Europe, comply with EN ISO 21003 standards, and are engineered to deliver durability and performance.
- AIS Multilayer PERT-AL-PERT pipes: built with five layers, including external and internal layers of polyethylene raised temperature resistant (PERT) type II and an aluminium intermediate layer bonded by two adhesive layers.
- AIS Multilayer PEXb-Al-PEXb pipes: built with five-layers, featuring external and internal layers of crosslinked polyethylene (type b) and an aluminium intermediate layer securely bonded with two adhesive layers.
For installations requiring enhanced thermal protection, the AIS Multilayer isolated pipes provide an added layer of insulation. The low-density polyethylene foam (LDPE) insulation minimizes heat loss and significantly reduces condensation, ensuring dry and efficient installations in environments where temperature retention is esential.
Multilayer pipes benefits
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BENEFIT
Lightweight and flexible
AIS Multilayer pipes are easier and faster to handle and install compared to rigid copper or PPR pipes. Ideal for domestic hot and cold-water systems, heating, and underfloor installations, they offer a significantly more competitive price than traditional metallic pipes, without compromising on durability or quality.
BENEFIT
Efficient flow, lasting performance
AIS Multilayer pipes does not corrode and thank to its low roughness, scale deposits on the walls of the pipe are avoided, which allows to keep the flow rate and eliminate additional head loss in the installation throughout its useful life.
BENEFIT
Wide range up to diameter 75mm
AIS Multilayer pipes are available in sizes ranging from 16mm to 75mm, making them also ideal for installations requiring high flow rates, such as boiler rooms and distribution risers.
BENEFIT
Oxygen tightness
The welded aluminium intermediate layer acts as a barrier against oxygen diffusion, preserving the integrity of the system and preventing corrosion in metal components. This ensures durability and optimal performance, especially in heating and radiant underfloor systems.
Multilayer pipes advantages
Access to data sheetHigh-dimensional stability
Thanks to a very low thermal expansion, similar to that of the copper pipes, our AIS Multilayer pipes have high dimensional stability.
Low thermal conductivity
Our AIS Multilayer pipes have low thermal conductivity which allows to obtain minimum heat losses in the installation.
Acoustic performance
AIS Multilayer pipes, due to their structure and composition, exhibit a low level of acoustic transmission, reducing up to 60% of the noise caused by water hammer.
Durability
High resistance to abrasion and pipe degradation. Its external layer made of PERT or PEX-b provides mechanical protection against external agents and construction processes. It has a great resistance to chemical agents as well as to impacts.





Showcase projects
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Diagonal Zero Tower in Barcelona: Plumbing Installation with AIS PEX
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Underfloor Heating Installation at Hotel La Barrosa, Cádiz
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Energy-efficient underfloor heating for a historic library restoration
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Underfloor heating for livestock farms
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Plumbing Installation at Rafaelhoteles Atocha, Madrid
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Plumbing Installation at the H10 Cubik Hotel in Barcelona
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Plumbing Installation at the Magna Marbella Hotel, Málaga
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Plumbing Installation at Quatre Camins Penitentiary Center, Barcelona
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Plumbing Renovation at Prinsotel La Caleta with AIS PEX – Menorca
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Plumbing Installation at the Guardia Civil Command Headquarters in Soria
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Plumbing Installation with AIS PPSU at La Paz Hospital, Madrid
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Plumbing Installation with AIS PPSU System in Kazakhstan
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Diagonal Zero Residential Tower
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Gesner Project in L'Hospitalet de Llobregat: Industrialized Plumbing with AIS PEX
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Plumbing Installation in Veterinary Hospital Mallorca, Spain
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Hospital La Paz


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