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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 AGILEAIS 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.

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Multilayer pipes advantages

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High-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.

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Showcase projects

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Barcelona
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Casa de les Punxes: Rehabilitation with AIS PEX in a Historic Monument

Reference project

Casa de les Punxes: Rehabilitation with AIS PEX in a Historic Monument

Barcelona
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Diagonal Zero Tower in Barcelona: Plumbing Installation with AIS PEX

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Diagonal Zero Tower in Barcelona: Plumbing Installation with AIS PEX

Chiclana de la Frontera, Cádiz
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Underfloor Heating Installation at Hotel La Barrosa, Cádiz

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Underfloor Heating Installation at Hotel La Barrosa, Cádiz

Sant Climent de Llobregat, Barcelona
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Energy-efficient underfloor heating for a historic library restoration

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Energy-efficient underfloor heating for a historic library restoration

Fraga, Huesca
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Underfloor heating for livestock farms

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Underfloor heating for livestock farms

Madrid
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Plumbing Installation at Rafaelhoteles Atocha, Madrid

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Plumbing Installation at Rafaelhoteles Atocha, Madrid

Barcelona
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Plumbing Installation at the H10 Cubik Hotel in Barcelona

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Plumbing Installation at the H10 Cubik Hotel in Barcelona

Málaga
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Plumbing Installation at the Magna Marbella Hotel, Málaga

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Plumbing Installation at the Magna Marbella Hotel, Málaga

La Roca del Vallès, Barcelona
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Plumbing Installation at Quatre Camins Penitentiary Center, Barcelona

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Plumbing Installation at Quatre Camins Penitentiary Center, Barcelona

Caleta d'en Gorries, Menorca
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Plumbing Renovation at Prinsotel La Caleta with AIS PEX – Menorca

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Plumbing Renovation at Prinsotel La Caleta with AIS PEX – Menorca

Soria
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Plumbing Installation at the Guardia Civil Command Headquarters in Soria

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Plumbing Installation at the Guardia Civil Command Headquarters in Soria

Madrid
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Plumbing Installation with AIS PPSU at La Paz Hospital, Madrid

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Plumbing Installation with AIS PPSU at La Paz Hospital, Madrid

Astana, Kazakhstan
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Plumbing Installation with AIS PPSU System in Kazakhstan

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Plumbing Installation with AIS PPSU System in Kazakhstan

Barcelona
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Diagonal Zero Residential Tower

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Diagonal Zero Residential Tower

L'Hospitalet de Llobregat, Barcelona
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Gesner Project in L'Hospitalet de Llobregat: Industrialized Plumbing with AIS PEX

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Gesner Project in L'Hospitalet de Llobregat: Industrialized Plumbing with AIS PEX

Manacor, Mallorca
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Plumbing Installation in Veterinary Hospital Mallorca, Spain

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Plumbing Installation in Veterinary Hospital Mallorca, Spain

Madrid
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Hospital La Paz

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Hospital La Paz