Blue Grey Roofing Slates

Blue Grey stone is an even blue grey colour throughout.

Blue Grey stone has been used for generations to provide roof coverings, cills and copings. Architects and designers around the world have long taken advantage of its natural beauty, durability and adaptability to create classic weather resistant details and surface finishes.

Design guidance, details and sample clauses for the specification of Blue Grey stone are available in a series of Burlington brochures.

Burlington can supply Blue Grey stone in a variety of smooth and textured finishes (sample cards showing the finishes are available from Burlington).

Product Characteristics

Density:	2747kg/m3
Structural & Mechanical:	Burlington Blue Grey stone has high abrasion resistance, compressive strength, flexural strength and modulus of elasticity.
Fire:	Blue Grey stone is non-combustible.
Gases & Liquids:	Blue Grey 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:	Blue Grey 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.