natural slate roofing
NATURAL SLATE
NATURAL SLATE CUPA 7

CUPA 7

Non-carbonated slate formed by tectonic compression. Black slate with thin laminations and a smooth surface.

ORIGIN
Quarry Las Arcas Prada. San Pedro de Trones (León) Spain.
Operating since 1983

PRODUCTION
5.000 tm/year

FORMATS
Rectangular, Bullnose, Ogival, Innova.

MAIN SIZES
16”x8” and 16”x10”

SELECTIONS
EXCELLENCE, ARDOISIER, HEAVY

Note. If you are interested in other formats contact us

TECHNICAL SPECIFICATIONS

WATER ABSORPTION 0,37% Code : W1 (< 0,4%)
CONTENTS OF CARBONATE NON CARBONATED 0,48% Fulfill (< 2%)
MOR CHARACTERISTIC Longitudinal 63 MPA
SO2 EXPOSURE TEST S1
THERMAL CYCLE TEST T1
FREEZE THAW TEST Fulfill < 0,4%
THICKNESS 3/16” to 3/8”

Note. Technical documentation (declaration of performance, certifcations, ...) in the PRO AREA

INTERNATIONAL CERTIFICATIONS

CUPA 7 roofing slates meet the following international standards:

  • EN certificate logo EN 12326
  • NF certificate logo NF 228-02/01/01 5277
  • ATG certificate logo ATG/H876
  • BS certificate logo BS 680: Part 2
cupa 7 slate overlap one cupa 7 slate four cupa 7 slate cupa 7 slate staging

FORMATS
  • Square
  • Rectangular
  • Bullnose
  • Rhomboid
  • Irregular
  • half moon
  • Schuppen
  • Spitzort
  • Spitzwinkel
  • Waben
  • Uni
  • Ogival
  • Fischschup
  • 90º Sawn
  • 74º Sawn
  • Innova