CUPA 14
A heavy texture, non-weathering and unfading stone with a level of quartz that provides a glistening sheen.
CUPA 14 is the only product approved as an alternate for Buckingham Slate on historic restorations by the National Park Service, Virginia Department of Historic Resources and Historic.
Comparable slates: Very similar in look and physical properties to domestic black manufactured in Buckingham, Virginia and Peach Bottom Slate once manufactured in Pennsylvania.
Origin
Quarry Las Fuentes. Benuza (León) Spain
Operating since
Operating since 1985
Formats
Rectangular
Sizes
8”x6” to 24”x12”
Thicknesses
3/16” to 3/8”
Technical Specifications
Absorption
< 0,4% Code : W1 (< 0,4%)
Carbonate Non-Carbonated
≤ 0,2% Fulfill (< 2%)
Mor Characteristic
Longitudinal ≥ 37 MPA
SO2 Exposure Test
S1
Thermal Cycle Test
T1
Freeze Thaw Test
Fulfill < 0,4%
International Certifications
CUPA 14 roofing slate meets the following international standards:
ASTM C-121 (S1), ASTM C-217 (S1), ASTM C-120 (S1)
BS 680 Part 2
EN 12326
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