Kategorie sortimentu

Who we are

The GRENA Company’s products are during the production cycle constantly tested and compared with top products not only from the Czech Republic but also from abroad. Machinery that is used in the production is regularly renewed and replenished with new equipment, so that the final products meet most customer requirements.

International certificate ISO 9001:2008, which the company acquired in December 2010, guarantees first class of the products. Certification has demonstrated compliance of our quality management system with requirements of international standard ISO 9001.
Commercial Register (on www.justice.cz)


Grena Company, Inc. produces:


Boards made from the expanded vermiculite, inorganic binder or wooden substance, can be provided with a finish. They are highly resistant against fire and . They are used to protect marine constructions (ship partitions, walls, ceilings and other interior components on ships), building constructions (fire-resistant partitions, air-condition pipeline, wall lining on escape routes, fire-resistant lining of elevator shafts and service ducts, smoke curtains), for improvement of fire-resistance of existing structures, for fireplaces and stoves, as a building and constructional element for building of fireplace shells, fire-resistant doors, acoustic panels and lining.

Non-combustible boards Ship construction Fire-resistant boards      
Non-combustible boards Ship construction Fire-resistant boards      


Vermiculite is expanded in five classes of granulation – Micron, Superfine, Fine, Medium and Large. It is used in a production of fire-resistant and refractory boards Grenamat, in metallurgical industry for isothermal packing materials of melted metals, in the building industry for lightweight thermal-insulating concrete and plasters, in the car industry for brake block lining and clutch plate lining, in agriculture, horticulture and others. Since 2005 the company has been a member of The Vermiculite Association.

micron superfine fine medium large


Kitchen doors are made from MDF boards, face-milled, surface finished with PVC foil or special acrylic foil with high gloss and deep matt. They are designed for kitchens, bathrooms, sitting rooms and offices. The combination of 69 designs and 23 shapes will surely satisfy even the most demanding customer! A wood design on the back side of the door is included in the price, 5-year guarantee!

Collection Matt /
High gloss


The board material includes boards Grenagloss (MDF boards with special high gloss acrylic foil or deep matt, in 17 attractive designs, suitable for vertical interior surfaces such as kitchens, bathrooms, doors, built-in wardrobes, wall linings), foiled boards FFB (chipboards which are finished on the surface with an impregnated foil, suitable mainly for door production) and decorative wall panels with high gloss for kitchens Splashback and face panels for bathrooms Lustrolite. Easy installation, maintenance and an elegant surface finish of Grena boards – a guarantee for a luxurious home!

tel.: +420 381 549 111
fax: +420 381 581 071
e-mail: grena@grena.cz
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