FassaTherm: High-Performance Insulation with Architectural Freedom

Latest News Mon, Sep 7, 2026 10:07 AM

As the demand for energy-efficient, comfortable and visually appealing buildings continues to grow, External Wall Insulation (EWI) offers an effective way to improve the thermal performance of both new and existing properties. Fassa Bortolo’s FassaTherm® range provides a comprehensive approach, combining insulation, protection and decorative finishes within a carefully considered system. The FassaTherm portfolio includes Classic and Plus systems, with products and cycles designed to meet the requirements of different building types and façade applications. The systems have also been tested and certified by the Kiwa BDA Agrément.

At the heart of FassaTherm is a complete system approach, rather than simply an insulation product. Depending on the specification, solutions include EPS insulation panels or rock mineral wool slabs, supported by compatible adhesives, reinforced basecoats, mesh, profiles, primers and decorative finishes. FassaTherm Classic incorporates EPS solutions, including White EPS 70 and Grey EPS 70, while FassaTherm Plus offers rock mineral wool options, including mono-density and dual-density slabs.

The choice of façade finish provides architects and designers with considerable scope to achieve the desired aesthetic while maintaining the benefits of a fully integrated EWI system. Among the options is RX 561, a compact acrylic-siloxane render available through Fassa Bortolo’s Paint System. Used as part of an appropriate finishing cycle, RX 561 can provide a durable decorative surface, with Fassa’s colour options allowing façades to be tailored to the character of the building and its surroundings. FX 526 primer-undercoat can also be used beneath RX 561, providing a coloured, uniform surface and helping to promote adhesion on EWI systems.

For projects where a brick aesthetic is preferred, FassaTherm also offers brick-slip façade solutions, bringing the appearance and character of brickwork to an insulated façade. Fassa Brickfix is a one-component, flexible white adhesive specifically developed for bonding brick slips within FassaTherm Frame Classic and FassaTherm Mechanical Classic systems. These solutions provide an alternative to rendered façades, helping designers achieve a traditional or contemporary brick finish while incorporating external insulation.

The result is a façade solution that brings together thermal performance, protection and design flexibility. Whether the brief calls for a clean rendered finish, a distinctive colour palette or the enduring appearance of brick, FassaTherm provides a coordinated range of components designed to work together.

For refurbishment and new-build projects alike, Fassa Bortolo’s system-led approach gives specifiers and contractors the flexibility to create façades that not only perform technically but also contribute to the long-term appearance and character of the building.

For more information, please call our team on 01684 218305 or email info.fassauk@fassabortolo.com

In association with Fassa Bortolo


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Company Details

Fassa House Ashchurch Business Centre
Alexandra Way
Tewkesbury
GL20 8TD
United Kingdom
T: 01684 218305
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