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Floor Heating
Hydronic Radiant Floor Heating Solutions & Materials
Underfloor heating, also referred to as radiant floor heating, brings comfort from the ground up–offering consistent warmth and a cozy feeling underfoot, even on the coldest mornings. Behind that everyday comfort are advanced materials that help floor heating systems perform reliably, efficiently and for the long term.
Dow’s floor heating material offering is centered on PE-RT (Polyethylene of Raised Temperature Resistance), a polyethylene solution designed to perform at elevated operating temperatures without the need for cross-linking. Unlike PE-X (crosslinked polyethylene), PE-RT maintains flexibility and performance without additional processing steps, giving manufacturers greater design flexibility, improved processing efficiency, and recyclability benefits.
Dow supplies polymer materials and supporting technologies that pipe manufacturers use to design and produce durable, high-performance floor heating systems. Our polyethylene resins and specialty materials support the strength, flexibility and thermal stability required in radiant heating pipe applications–helping manufacturers offer systems you can rely on for years to come.
Dow’s materials experience helps enable consistent heat transfer, long service life and dependable performance–so homeowners and building professionals alike benefit from comfort that lasts.
Dow polymer materials offer the mechanical strength needed for radiant heating pipe systems to perform under pressure and throughout demanding operating conditions–supporting reliable pipe design across a wide range of applications.
Dow resins are engineered to support smooth, consistent processing for pipe manufactures, helping improve extrusion efficiency, dimensional stability and overall product quality.
Dow materials support resistance to wear, stress and environmental exposure–helping manufacturers design pipe systems built for daily use across residential and commercial environments.
Dow materials are designed to help enable performance at elevated operating temperatures, supporting stable operation under the thermal demands of radiant floor heating systems.
Dow materials offer a balance of strength and flexibility–supporting pipe designs that are easier to handle, route and install without sacrificing mechanical performance.
Dow resins are engineered for lasting performance, helping pipe manufacturers offersystems designed for extended service life and consistent comfort over time.
Other products used with hydronic/radiant floor heating systems include:
BYNEL™ Adhesive Resins
Discover a family of versatile adhesive resins that join dissimilar materials to enhance structural integrity and avoid delamination in films, bottles, tubes, and other applications.
DOWTHERM™ Heat Transfer Fluids
Explore a thermally stable synthetic organic heat transfer fluid designed for high temperature heat transfer applications up to 400 deg C.
DOWFROST™ Inhibited Glycol Fluids/Coolants
Learn how these products offer good heat transfer characteristics, good freeze and corrosion protection, and low volatility.
DOWCAL™ Inhibited Glycol Fluids/Coolants
Discover the exceptional corrosion protection these products offer in water-based systems because of a specially-formulated corrosion inhibitor package designed to protect the materials of construction found in most systems.
Resources
Explore how DOWLEX™ 2366 PE-RT Resin supports long-term strength, durability and thermal performance in next-generation radiant floor heating pipe materials.
Learn how BYNEL™ 4157 Adhesive Resin enhances adhesion and reliability in multilayer pipe constructions, supporting durable, high-performance heating system designs.
See how DOWLEX™ 2355 PE-RT Resin helps enable flexible, durable and thermally reliable materials for radiant heating pipes, supporting efficient processing and long service life.
Frequently Asked Questions
Radiant floor heating pipes are typically made using advanced polymer materials–most commonly polyethylene-based resins. Dow supplies the polyethylene and tie-layer materials that manufacturers use to produce durable, flexible and thermally stable pipes for hydronic heating systems.
Polyethylene offers a strong combination of strength, flexibility and temperature performance, making it well suited for radiant heating pipes. Its chemical resistance, toughness and processability help pipe manufacturers create systems designed for long-term reliability.
Hydronic floor heating systems operate at moderate water temperatures and require pipe materials that maintain performance under sustained thermal exposure. Dow polyethylene resins are engineered to help support reliable performance across the temperature conditions common in radiant heating applications.
Dow offers polyethylene and specialty tie-layer resins that help manufacturers produce pipes with strength, thermal stability, durability and consistent processing. These material properties support long-term system performance, reliable heat transfer and resistance to mechanical and environmental stresses.
Dow polyethylene resins help manufacturers design pipe systems that balance strength with flexibility, making them easier to handle, route and install. This flexibility supports smooth installation of coils and loops used in radiant heating layouts.
Dow materials are engineered to support resistance to cracking, impact and thermal cycling—factors critical to maintaining pipe integrity over years of operation. Their durability helps manufacturers offer systems designed for consistent performance and long service life.
Dow polymer materials are designed to help manufacturers address widely recognized industry standards for hot and warm water pipe systems, including categories defined by the Plastic Pipe Institute (PPI) and relevant ISO standards for polyethylene pipe performance (such as ISO 22391 for PE-RT). Specific compliance depends on the final pipe design and manufacturing process.
PE-RT (Polyethylene of Raised Temperature Resistance) is a polyethylene material designed to perform under elevated temperature conditions without cross-linking. Unlike PE-X, which requires chemical or physical cross-linking to achieve temperature resistance, PE-RT maintains flexibility, strength and thermal performance through its molecular design. This allows for easier processing, design flexibility and potential recyclability advantages for floor heating pipe manufacturers.
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