The finest natural roofing slates from the most reputable quarries, selected to provide a long lasting, beautiful roof with minimal grading and sorting.
This range provides readily available alternatives to long discontinued slates from Wales and Scotland, providing a close match for texture and colour without the slightest compromise on quality.
Excellence natural slates are ideal for heritage conversion and refurbishment projects and high quality new build and self build projects, with some slates being National Parks approved.
SIGA 53S is a strong, hard slate with excellent durability, an attractive dark/grey appearance and a rustic, rugged texture.View product
SIGA 112s is a smooth, dark blue grey slate sourced from our quarries in northern Spain.View product
SIGA 120 is a unique indigenous alternative to traditional Scottish slate.View product
A clean, flat and regular slate with an attractive dark appearance, commonly used in the South of England.View product
A textured blue grey slate with National Parks Approval. 7mm thickness commonly used in the North of England, 5mm in the South.View product
An attractive blue black slate suitable for use in Scotland on high profile projects. Complies with the Belgian ATG standard.View product
A textured blue grey slate with National Parks Approval. A good alternative to the popular SIGA 32.View product
A very popular slate for use on all projects across the UK, with a pleasing blue grey textured finish.View product
An alternative to indigenous purples slate, sourced from the USA.View product
SIGA 150 has been carefully selected from quarries in Vermont USA to provide additional green slate for the UK market.View product