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
Square, Rectangular, Bullnose.

SELECTIONS
R, H, NATURAL, HEAVY

Note. More info about our roofing slates selections

SIZES (cm)
25x15 - 50x45

Note. If you are interested in other formats contact us


WATER ABSORPTION 0,17% Code: W1 (< 0,4%)
CONTENTS OF CARBONATE NON CARBONATED 0,47% Fulfill (< 2%)
MOR CHARACTERISTIC Transverse 36 MPA
Longitudinal 54 MPA
SO2 EXPOSURE TEST S1
THERMAL CYCLE TEST T1
FREEZE THAW TEST Fulfill < 0,6%
THICKNESS (mm) 3.5 - 5 - 7.65

Note. Documentation in CUPAPRO

TECHNICAL SPECIFICATIONS

  • EN 12326
  • NF 228-02/01/01 - 5273
  • ATG/H571
  • BS 680: Part 2

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