Warranties

Reference standards: ASTM C150, C595, C989 / ASTM C618 / ASTM C144 / ASTM C33, C330, C332 / ASTM C979

Geopietra manufactured stone veneer complies with and exceeds the requirements of the US building code:
546T / ICC-ES / ER-3568 - NER-602 / LARR # 25589 / HUD # 910

Tests conducted by TÜV Nederland:
NEN-EN 772 / 998 / 494 / 196 / 1050 / 771 / 459 / 197 / 413 / 1339
Fire resistance
Non-combustible
Freeze-thaw resistance
Tested in accordance with ASTM C67
Water absorption
Tested in accordance with UBC 15-5
Density
Tested in accordance with ASTM C567
Thermal resistance
Tested in accordance with ASTM C177 - 71

Colour fastness to sunlight Only permanent pigments containing mineral oxides are used. The colour sets after 2-6 months of exposure to weather. No unwanted change of colour have been observed, even after years of exposure.

The following tests have been performed at the Milan Polytechnic test laboratory – Test report no. 208/08

Thermal conductivity factor
Tested in accordance with UNI EN 12667
Compressive strength
Tested in accordance with EN 14617-15
Flexural strength
Tested in accordance with EN 14617-2
Flexural strength after freeze-thaw cycles
Tested in accordance with EN 14617-5
Water absorption by immersionTested in accordance with EN 14617-1

Vapour permeability Average μ 26.4 referred to the stone
(being the finished surface of varying thicknesses and materials)