GRANTAX - Fornecedores de Granito, Lda.
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Established in 1963, Grantax is specialized in quarring and finishing granite for the exterior architecture. We employ a fine team of skilled people, supplying over 10 european countries with kerbs, cubes and other special products.

Grantax is familiar with the different standars of today and is in the position of delivering the right quality on short notice.

Grantax quarries are located on Porto district and keep a very large reserve of granite. It is a fine grained grey granite suitable for all interior and exterior purposes. According to the laboratory tests regularlly made, the  shows granite the average properties:

- Volumetric Weight   ~ 2,65 Kg/dm3

- Compression Breaking load ~ 205 N/mm2

- Water Absortion ~ 0.3%


Granite
Granite is a superior material for use in the exterior architecture. Because of its qualities granite is perfect for use in pavements in historic city centers, pedestrian areas and other places in contact with nature.

Granite also resists the stress and the beating caused by traffic and environamental pollution.

Therefore, it has for centuries been recognized for use in road building and in other heavy exposed areas.

But the character of the material has also other has also other aspects:

Economy: giving long lasting durability and low maintenance cost, granite products represent low total cost.

Flexibility: granite gives the architects and the planners freedom of choosing a shape of their own.

Appearence: the beauty of solid granite do not fade with the time. Sometimes it even adds beauty.


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