natural slate roofing
NATURAL SLATE
NATURAL SLATE CUPA 3

CUPA 3

Non-carbonated slate formed by tectonic compression. Blue black slate with non rusting metallic particles and thin laminations. Split to an average thickness of 3.5 mm,5 mm and 7.65 mm.

ORIGIN
Quarry Solana de Forcadas. San Pedro de Trones (León) Spain.
Operating since 1892.

PRODUCTION
15.000 tm/year

FORMATS
Rectangular.

SELECTIONS
EXCELLENCE, ARDOISIER, NATURELLE, HEAVY

SIZES (cm)
25x15 - 50x45

Note. If you are interested in other formats contact us

TECHNICAL SPECIFICATIONS

WATER ABSORPTION 0,25% Code: W1 (< 0,4%)
CONTENTS OF CARBONATE NON CARBONATED 0,47% Fullfil (< 2%)
MOR CHARACTERISTIC Longitudinal 55 MPA
SO2 EXPOSURE TEST S1
THERMAL CYCLE TEST T1
FREEZE THAW TEST Fulfill < 0,4%
THICKNESS (mm) 3.5 - 5 - 7.65

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

INTERNATIONAL CERTIFICATIONS

CUPA 3 roofing slates meet the following international standards:

  • EN certificate logo EN 12326
  • NF certificate logo NF 228-02/01/01 - 5273
  • ATG certificate logo ATG/H571
  • BS 680: Part 2
cupa 3 slate overlap one cupa 3 slate four cupa 3 slates cupa 3 slate staging

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