In the slate world, it’s hard to find a true gray slate. Many grays include a hint of green and their color can weather over time. Sierra Gray is very consistent. It has an unfading, true medium to light gray color, with a moderately smooth texture, and a small to average cleft. It is great choice for a design where uniformity in overall color and a standard surface are desired. The graceful, polished feel of this slate creates a dignified look, blending with the light day sky or shining in the evening. Rated S1 Grade pursuant to ASTM standards. Sierra Gray test results are excellent. It is easy to work and doesn’t require power tools. Sierra Gray Slate will prove its durability in all weather conditions. Meets Solar Reflectance Index (SRI) to qualify as Title 24 Cool Roof Approved.