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Attic insulation: performance and energy savings
Reduce heat loss with EPS attic insulation. Thermal performance and easy installation.

Reduce heat loss from attic spaces
Poorly insulated attics are responsible for 30% of a building's heat loss. Prioritizing their insulation can improve thermal comfort, reduce energy costs and optimize the value of the property. Good insulation, carried out by a professional, limits losses, reduces heating bills and improves the DPE rating, a major asset when selling or renting.
Attic insulation: the advantages of EPS
Excellent thermal performance
98% air content reduces heat loss.
Lightweight and easy to install
Simple cutting and quick, time-saving installation.
Resistant and durable over time
Mechanical stability and high compressive strength.
Environmentally-friendly insulation
Recyclable, non-toxic and resource-efficient.
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Discover our PSE material.
Insulating and converting lost attic space
Lost attics are often poorly insulated, resulting in significant heat loss. Knauf Industries offers Solivbox 31, an easy-to-install EPS solution with OSB-3 facing, optimized to limit thermal bridges. Adapted to technical constraints, this panel provides high-performance insulation while creating storage or circulation spaces, thus improving the building's energy efficiency.
Isobox: simple, effective insulation
Isobox Isolation offers high-performance EPS panels that are easy to install, guaranteeing rapid, optimized installation. Solivbox 31 provides secure access to technical equipment while improving thermal insulation. Thanks to its compact size, it can be adapted to the tight spaces of lost attics, offering a practical, aesthetic and high-performance solution for any insulation project.
Isobox Isolation: expertise and dedicated support
Isobox Isolation, a Knauf Industries brand, offers high-quality, standard-compliant EPS insulation for construction and renovation projects. With over 50 years of expertise, its high-performance thermal solutions help reduce costs and gain access to financial aid. Knauf Industries also supports professionals with comprehensive technical support and tools to facilitate installation.
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