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PEX (cross-linked polyethylene) tubing PEX tubing is a type of tubing used primarily for water supply and heating. It is made of cross-linked polyethylene, which gives it good flexibility with temperature variations. It is often used for domestic installations and cold and hot water distribution networks. Main features FLEXIBILITY: It is easy to handle and install, as it can bend without the need for elbow fittings. RESISTANCE: It is resistant to impact, wear, and chemicals. DURABILITY: It has a lifespan of approximately 50 years. USE: It is primarily used for cold and hot water installations and for underfloor heating systems. CONNECTION: To assemble PEX tubing, press fittings are used, which require crimping pliers or slip-on fittings. MULTILAYER PIPE Multilayer pipe is composed of several layers: an inner layer of PEX, an aluminum layer, and an outer layer also of PEX. This construction combines the advantages of each material, providing increased pressure resistance and better protection against temperature variations. MAIN FEATURE MULTILAYER: The aluminum in the center of the pipe provides pressure resistance and better thermal management. LESS EXPANSION: Compared to PER, it has lower thermal expansion, reducing the risk of leaks. EASY INSTALLATION: Like PER, it is flexible and easy to cut. USE: Suitable for drinking water networks, heating systems (underfloor heating, radiators), and air conditioning systems. CONNECTION: To assemble a multilayer pipe, press fittings are used. The assembly is carried out with a press tool that compresses the fitting onto the multilayer pipe. Crimping provides a watertight and durable installation. Recognizing PEX tubing It is usually red and blue Often marked on the tubing Flexible but do not make a 90° bend Multilayer tubing It has a visible aluminum layer under the plastic sheath The color is often white Conclusion PEX and multilayer tubing are essential for home installations #plumbing #renovation #work #DIY #homework #home #house #construction