How to choose IXPE/EPE foam underlay thickness and density for laminate, LVT or screed floors?

For laminate use 2–3 mm IXPE/EPE; for LVT choose densified 1–1.5 mm foam; under screed only high-density IXPE/XPE grades are suitable. Learn more →

Can IXPE/EPE foam be used on balconies, garages or other unheated rooms?

IXPE/EPE foam is suitable as a supplementary insulation layer in balconies, garages and unheated rooms, but it cannot replace structural thermal insulation. Learn more →

Can IXPE/EPE foam be combined with mineral wool, EPS or XPS in insulation systems?

IXPE/EPE foams can be combined with mineral wool or EPS/XPS as supplementary layers, but they cannot replace primary insulation. Learn more →

How to bond IXPE/EPE foam to concrete, wood or metal, and which adhesives are compatible?

IXPE/EPE foam bonds well to concrete, wood and metal when using compatible adhesives or PSA tapes. Avoid aggressive solvents. Learn more →

When is IXPE/EPE foam a better packaging material than bubble wrap, EPS or cardboard?

IXPE/EPE foam offers better cushioning stability than bubble wrap or cardboard and is cleaner and more durable than EPS in transport protection. Learn more →

Where can IXPE/EPE foam be used, and where is it not suitable?

IXPE/EPE foam works well as underlay, acoustic and HVAC insulation, but is not suitable as primary thermal or structural insulation. Learn more →

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Applications & Installation

FAQ category

Practical notes on how to specify and install IXPE/EPE foam materials in floor, wall and technical applications. The focus is on correct layer build-ups, compatible substrates and typical limitations for EU projects.

Underfloor heating: use of foams under infrared film, electric cables and water-based systems according to system design.
Flooring & screed: selection of foam underlays by thickness and density for laminate, engineered wood, LVT and concrete bases.
Balconies, garages, technical rooms: where PE foams are suitable as an additional insulation or separation layer and where other materials are required.
HVAC and services: use of Isolon and Warmlex in ventilation, air-conditioning and ancillary insulation details.
Adhesives and packaging: bonding to concrete, metal and wood, and use of foams for furniture and equipment protection.

IXPE/EPE foams such as Isolon and Warmlex can be used under certain underfloor heating and infrared film systems, if you choose the correct foam type and follow the heating manufacturer’s installation guidelines.

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