PIZARRAS FORNA, S.A. sells its slate under the commercial name of PIZARRA DE FORNA, famous for its quality and beauty.

PIZARRA DE FORNA is sold at our factory to wholesalers, builders, promoters or to individuals interested in our products.

Our products are presented on pallets, the contents of which may vary according to slate type and size as displayed on the  format table.




     Production

COMMERCIAL SPECIFICATIONS

PIZARRA DE FORNA is fine-grained grey slate with a smooth and uniform surface. The presence of bands with fine lines along its length is a main feature. It splits into plates with a uniform width of 3 and 5 mm. It does not contain metallic minerals on its surface. When tapped, the sound produced has a metallic ring.


   Slate tile

PRODUCTION

PIZARRAS FORNA, S.A., annually produces 15,000 T of slate for roofing, in different formats and commercial references, and also for flag and pavements.



FORMATS

The formats in which “Pizarra de Forna” are produced and commercialised are:


RECTANGULAR SIZES
a x b (cm)
Commercial Ref.Num. Pieces/Pallet

40 x 20
R1
1,650
1,550
35 x 25 1,200
35 x 20 1,780
33 x 23
1ª Fuerte
R1
1,730
1,500
1,530
32 x 22
1ª Fuerte
R1
1,800
1,500
1,600
30 x 20
1ª Fuerte
R1
2,300
2,000
2,000
30 x 18
R1
2,350
2,100
27 x 18
1ª Fuerte
R1
2,500
2,100
2,280
25 x 18
1ª Fuerte
2,850
2,550
25 x 15 3,750
35 x 25Plaqueta 350
ROUNDED SIZES
a x b (cm)
Commercial Ref.Num. Pieces/Pallet
40 x 20
R1
1,650
1,550

TECHNICAL SPECIFICATIONS AND OFFICIAL APPROVALS

PIZARRA DE FORNA complies with the requirements of norms and quality controls required by the countries where it is commercialised and installed, mainly in France:

It complies with the specifications of French Norms: P 32-301 and P 32-302, having been considered for many years as CLASS A, granted by the LNE (Laboratorie National d'Essais) in France.

PHYSICAL SPECIFICATIONS

The physical characteristics of the slate, established accorfing to the testing procedures of French Norm 32-302, are:


DEFINITION VALUE
TRUE DENSITY 2.81 g/cm3
WATER ABSORPTION 0.37 %
RESISTANCE TO FROST Weight loss < 0.1 %
RESISTANCE TO FLEXING 70 MPa
RESISTANCE TO  A OXIDATION No alteration
CONTENTS OF CaCO3 0.3 %



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Pizarras Forna, S.A.
Avda. de Astorga, 5 - 24400 PONFERRADA (León) SPAIN
Tel.: (+34) 987 40 20 74 - Fax: (+34) 987 42 36 87
fornacomercial@pizarrasforna.com

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