logo logo

non-combustibility and fire-resistance

Call: +420 381 549 111



GRENA company has many years of experience in vermiculite processing and focuses on the production of non-flammable and 100% health-conscious plates that have unique properties. The result of their use is a superior technological solution and by this rthey are called a "new generation" of structural and insulating materials.

GRENAMAT® boards are made of exfoliated vermiculite and a special inorganic binder that provides a high resistance to heat shock and temperatures up to 1200 ° C. Vermiculite boards are completely harmless to our health, do not contain asbestos, glass or other mineral fibers. They have sufficient strength and mechanical stability, high durability, do not emit fumes even at high temperatures.