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