Slate

Slate is a fine-grained metamorphic rock formed from an original shale type sedimentary rock composed of clay or volcanic ash subjected to heat and pressure (low grade metamorphism). The result is a layered rock which is easily split into thin sheets.

These sheets are then cut into regular shaped sizes. Slate is mainly composed of quartz and illite. When impurities like iron oxide are trapped between layers of shale, multi-coloured slate is formed varying in colour. Slate varies in colour from shades of grey and black through greens and browns to reds and yellows. Slate can be used for roofing, interior and exterior flooring and wall cladding. Sealants are required to improve durability and appearance, increasing stain resistance. Slate is supplied in regular and irregular sizes as tiles or cladding varying in thickness.

The best sealer for slate is Stoneshield Quarri-Seal®. Quarri-Seal® is a solvent-based oil & water repellent sealer. Provides a “wet look”, surface gloss finish, colour enhancing finish with surface protection. Can be used both internally and externally.

Stoneshield Quarri-Seal® is suitable for use on –
Natural stone including slasto, slate, sandstone tiles and pavers.
Medium to high porosity terracotta tiles.
Natural and coloured cement floors and self-levelling cement screeds.

An eco-friendly choice is Stoneshield H20 Seal & Shine™ which is a water-based, water, rain & stain repellent sealer. Provides a surface gloss finish, slight colour enhancement, with surface protection. Can be used both internally and externally.

Stoneshield H20 Seal & Shine™ is suitable for use on –
Natural stone including slasto, slate, sandstone tiles and pavers.
Medium to high porosity terracotta tiles.
Natural and coloured cement floors and self-levelling cement screeds.