Sierra
LOCATION
Lugo – Northwest Spain
PRODUCT
Roofing & Cladding slates
COLOR
True un-fading GRAY
CHARACTERISTICS
Very Uniform
Also known as Lugo Gray
Real smooth texture
FORMAT
Metrics
From 30cm x 20cm (12” x 08”) up to 60cm x 30cm (24” x 12”)
Available sizes for lighweight systems (Slate Tec, Slate 2, High Punch)
THICKNESS AND WEIGHT
5mm (1/5”) 33 kgs/m2 655 Lbs/square
6-7mm (1/4”) 46 kgs/m2 875 Lbs/square
Slate can be supplied either holed or unholed depending upon the roofing system chosen
SIERRA is produced from one source of origin and has a long history of exporting high quality slates to the most demanding markets.
SIERRA is exclusive to be natural® in USA.
The quality control of be natural® staff in the quarry guarantees a perfect selection of your order before the collection.
We control color, thickness, size and labels.
be natural® transport your order from the quarry up to your doorstep, wherever you are in the world.
SLATE FOR DISCONTINUOUS ROOFING AND CLADDING UNE-EN 12326-1 ASTM C-406
Dimension and Dimensional Variation
Complies
Nominal Thickness and Variation
Complies
Mechanical Resistance, Characteristic MoR
Transverse: 39.6 N/mm2 / Longitudinal: 47.9 N/mm2
Mechanical Resistance, Mean Failure Load
Transverse: 50.7 N/mm2 / Longitudinal: 58.2 N/mm2
Carbonate Content
0.70% Complies
Water Absorption
Complies with code W1 0.37%
Thermal Cycling
T1 Complies
Sulphur Dioxide Exposure
S1 Complies
Non-Carbonate Carbon Content
0.30 % Complies
Release of Dangerous Substances
None in conditions of use as roofing or external cladding
External Fire Performance
Deemed to satisfy
Reaction to Fire
Deemed to satisfy CLASS A1
Fireproof
Waterproof
Frost resistant
Environmentally safe
Low maintenance
Long Lasting
Hand selected
Find out more.
Contact us
Galicia – Spain
SIERRA Slate is certified by the European and American laboratories.
