FAQ’S

We source our natural slates from all around the world and we stock Spanish natural roofing slate, Brazilian natural roofing slate and Welsh natural roofing slate.

Our Spanish natural roofing slates are covered by a quarry backed guarantee. All of our natural roofing slates are subject to our Terms and Conditions of Sale. Click here for our Terms and Conditions of Sale 24th August 2023.

We deliver throughout the UK on a 2/3 day or a next day service if needed.  Why not ring the office to check delivery times on 01282 423444.

Slate sizes vary according to the Region/Country that they are sourced from. Traditionally they range from 600mm x 300mm down to 350mm x 250mm. See our slate size chart for more details.
If you have a project that requires specific sizes, please let us know.

Please refer to our ridge guide for selecting the correct clay or natural slate ridge for your roof.

Premium grade – A high quality slate with minor differences in the thickness and flatness of the slate.

Standard grade – Derived from the same rock as the Premium grade, this grade of slate allows for greater variations in the thickness and flatness of the slate.

Prime Thick grade – A slightly thicker selection of the high quality Premium grade, with minor differences in the thickness and flatness of the slate.

Heavy grade – This slate is an Extra Thick selection and provides a rustic finish.

Please click here for our COSHH sheet on handling Natural Roofing Slates.

Please click here for our Datasheet Explanation of the statistics given on the test results of natural roofing slates.

Please refer to our method statement for advice on fixing natural slate to your roof. We have an in house technical service with dedicated staff who can offer specific advice dependent on your project.

To achieve T1 status a roofing slate must have no change in the structure of the slate and any colour changes will not affect the structure nor forms runs of discoloration. Please refer to our T1 explanation for more details Please also see the S1 explanation and A1 explanation listed seperately.

In the UK, the building regulations specify that all pallets must have a CE mark ensuring compliance with EN12326.  Click here for a detailed explanation.

When working with natural roofing slates, strict standards and procedures must be adhered to ensure compliance with BS5534 and EN12326.  Click here for more information.