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UdiDAEMMSYSTEME wood fibre products

Where are they based?

UdiDAEMMSYSTEME, formerly known as Unger-Diffutherm, are based in Chemnitz in Eastern Germany.

When were they established?

Bernd Unger started the company in 1989 along with the invention of the Diffutherm wood fibre insulation board. This board has been the core insulation board, for several manufacturers since then.

What are the characteristics of their products?

UdiDAEMMSYSTEME’s products are technically excellent and specifically created for each purpose. Their systems are comprehensively designed and detailed so that once installed, they are extremely robust, durable and weather-tight.

All of the components are their own and designed to work perfectly within the system as a whole. This makes them applicable to a wide range of buildings, from ancient historic buildings to the latest Passivhaus homes.

What is their support like?

In a word, unrivalled. Whenever we have an awkward or unusual detail, UdiDAEMMSYSTEME will create a detail and explain exactly how to build it.

This was actually the main reason that we became one of their suppliers as without this support it can be very difficult to confidently sell these products in a market with little inherent knowledge.

What do they specialise in? 

Unger-Diffutherm specialise in extremely well detailed wood fibre insulation systems for internal and external insulation of walls, roofs and floors.

They do lots of work with historic buildings which often requires unusual or unique detailing work to be devised. This enables insulation solutions to be applied to sensitive building fabric without damage, creating warm, comfortable historic buildings.

How long have you worked together?

We have worked with Unger-Diffutherm since 2007 and have a great relationship with them. We have learned an awful lot from them about their systems, wood fibre insulation in general, and building physics which, in turn, allows us to help our customers.

Below are the products that we stock but if there are any others that you’d like, please contact us.

CPD Training

We offer CPD training for architects practices across Devon and Cornwall.

Software Modelling

We offer dynamic heat and moisture modelling as well as condensation risk analyses.

Building Plan Review

If you have some plans and would like our opinion on which materials would be the best for you, contact us.


Back to Earth is a natural building material supplier. We're not your typical builders'​ merchant though and instead work closely with our clients during the planning, designing and building phases of projects.

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