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Slate

Idanha-a-Nova Slate

Slate

This material is recorded as a slate in grey, black tones. The recorded appearance includes commercial quarry-basin variation. Recorded applications include roofing, flooring, wall cladding and landscaping.

Stone familySlate
Primary colourGrey

Medium-Low verification · Reference STN-0003634

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Professional reference

Specification snapshot

Indicative catalogue data. Verify the exact stone, finish, thickness and current test certificates before specification.

Mohs hardness3-4
Water absorption0.1-1.0 %
Compressive strength80-200 MPa
Flexural strength20-50 MPa
Density2600-2850 kg/m³
PorosityNot reported

Material profile

Character & application

Common finishes
Natural cleft, brushed, honed, calibrated
Typical uses
Roofing, flooring, wall cladding, landscaping, trays, craft
Exterior suitability
High for roofing/flooring if tested
Frost resistance
Good if selected
Recorded colour palette
Grey, Black