Kirkstone Black

Kirkstone Black Roofing Slate is an even blue grey colour throughout.Kirkstone Black Slate which is a metamorphosed sedimentary rock formed 330 years ago in the Silurian PeriodLBS can supply Burlington Kirkstone Black Slates in a variety of Smooth and textured finishes.

Product Characteristics
Density: 2747kg/m3
Structural & Mechanical: Burlington Kirkstone Black Stone has high abrasion resistance, compressive strength, flexural strength and modulus of elasticity.
Fire: Kirkstone Black stone is non-combustible.
Gases & Liquids: Kirkstone Black stone has good weather resistance with low water absorption properties. It is non-porous and will not delaminate in use; it is also resistant to atmospheric pollution, acid and sea spray and is unaffected by common chemicals.
Biological: Kirkstone Black stone will not rot, does not encourage growth of mosses, lichens and is not liable to insect or vermin attack; it is compatible with most other building materials.
Thermal: The thermal conductivity of the material is approximately 2.0 W/mK; it is dimensionally stable, with a thermal coefficient of expansion of 10.4 x 10-6.