Sandtoft NEW Cassius Slate (5801)

As low as
From  £2.45  inc VAT
From  £2.04  ex VAT
In stock
As low as
From  £2.45  inc VAT
From  £2.04  ex VAT
Product Description
This new version of Sandtoft Cassius Slate is around 10% larger (418mm x 335mm) in size than previous slate. It is a new Generation interlocking clay tile that recreates appearance of slate, providing a highly affordable natural roof covering. Sandtoft NEW Cassius Slate (5801), available for delivery across the UK. Buy online now.

Currently items are not orderable due to Covid-19. However at this difficult time, our roofing experts are available for technical and product assistance if you have roofing questions or an urgent issue – please e-mail us at [email protected].

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This new version of the Sandtoft Cassius Slate is around 10% larger (418mm x 335mm) in size than the previous slate.

It is a new Generation interlocking clay tile that recreates the appearance of slate, providing a highly affordable natural roof covering.

The large format design and open gauge, offers savings in material, labour, weight and completion times. 

New Generation interlocking clay tile with open gauge, 

Antique Slate colour option provides labour saving natural alternative to slate.

Key features:

Competitive with concrete thin leading edge products.

Pressed from natural alluvial Humber Clay.

Thin leading edge with hidden interlock. 

No tops or eaves tiles required.

Technical specifications:


418 x 335mm 

Minimum Pitch:    


Covering Capacity:  


Weight as Laid:    


Weight per tile:    



Tuscan, Antique Slate 

Additional information:

Recommended nails are 45 x 3.35mm aluminium clout head.

High performance weatherproof design developed through intensive wind tunnel testing with Sandtoft's century of experience in roofing.

Conforms with all current UK and European standards and fixing requirements.

Manufactured and independently certified under Quality Management System BS EN 9001.

Certified to Environmental Management Standard EN ISO 14001.

All raw clay is extracted from an abundant source of local reserves located within 1km of the production process.

Orders and Delivery

Delivery Information

Roof Stores offer free delivery on orders over £250.00 ex VAT, below this, a £15.00 ex VAT delivery charge applies. 

We hold the majority of our products in stock however due to our extensive product range, a small range of products are sent directly from the manufacturers, these products may incur different delivery charges.

  • Delivery costs may be subject to change should stock not be available locally or when stock is offered in made to measure
  • Due to the recent Nationwide concrete and clay products shortage some products may carry a lead time, please contact us to check stock in your area before placing an order
  • Orders placed before midday Mon to Fri (excluding bank holidays) will be processed same day. Orders received after midday will be processed the following working day, at which point our 2-3 working day delivery lead-time begins
  • We aim to deliver orders to UK Mainland in 2-3 working days and will contact you via email or telephone to confirm an exact delivery date once your order has been processed
  • We are unable to deliver on our own vehicles to the Scottish Highlands & Islands but are happy to deliver to a shipping forwarding company on your behalf
  • Our delivery vehicles include articulated lorries, please advise us in the comments section when placing your order if there are potential access restrictions to the delivery address(es)
  • A signature will be required on delivery of goods. If this is an issue please let us know in advance
Returns and Refunds

Returns and Refunds

In the unlikely event that you need to return an item, please contact our team within 14 days of accepting delivery of the item. We cannot accept returns on special orders, if you are unsure if your item is a special order, please contact us prior to placing the order.

Please call us on 0330 123 1885 or email us at [email protected] if you have any delivery or stock questions or queries, a member of our team will be happy to help

Free delivery on orders over £250! Free delivery on orders over £250 Terms and conditions apply

As seen on Channel 4's Grand Designs,
Eco Slate is a unique 100% recycled and
recyclable slate, able to perform on pitches as low as 10o.  

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