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Born in the 40s Tonelli S.p.A. is a dynamic company, extremely careful to keep up with new opportunities and innovations. It started as a carpentry shop and then it developed the activity into the wood trade. At the beginning of the 60s it started the production of Aston honeycomb core, a particular cardboard product used in the construction of doors, as well as in sandwich panels.
By the 70s and 80s the company made new investments in machines for panel manufacture and lamination. The business becomes an industrial reality which grew during the years till it become partner and supplier of top brands kitchens and furniture makers.

Over the last few decades isospan Ltd. has distinguished itself through innovative solutions on the one hand, and a stable and future-orientated company policy on the other. The SALZBURG based company works throughout Europe and specialises in: hollow woodchip-concrete blocks, woodchip-concrete prefabricated walls and woodchip-concrete insulating panels. The comprehensive product range means that almost any architectural challenge can be met.