CUPA 7 - Natural Slate

This black, non-carbonated slated is formed by tectonic compression.

CUPA PIZARRAS has been producing the most complete range of natural slate for roofing and facade since 1892.

CUPA 7

Color: Black

Surface: Smooth

Non-carbonated slate formed by tectonic compression. Black slate.

Split to an average thickness of 3.75 mm, 5 mm, 7 mm and 9 mm.

Origin

Quarry Las Arcas Prada.
San Pedro de Trones (León) Spain

Operations start date

Operating since 1983

Dimensions

Sizes: Between 16”x8 and 16”x10”
Thickness: 3/16” to 3/8”

Selections

Excellence, Ardoisier, Heavy

Formats

Rectangular is the most common model in the US.

• Rectangular
• Innova
• Bullnose
• Ogival

Technical specifications

Water absorption

0,28% Code: W1 (< 0,4%)

Contents of carbonate non carbonated

0,48% Fulfill (< 1,5%)

Mor characteristic

Longitudinal 61,2 MPA

SO₂ exposure test

S1

Thermal cycle test

T1

Freeze thaw test

Fulfill < 0,6%

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