SIGA 39 Natural Slate

As low as
From  £1.98  inc VAT
From  £1.65  ex VAT
In stock
As low as
From  £1.98  inc VAT
From  £1.65  ex VAT

If you need any help or advice about our products or would like a quotation, please call 0330 123 1885 and a member of our team will be happy to help you.

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SIGA 39 is an oustandingly successful first selection slate that is flat, uniform and of consistent thickness. It's minimal sorting requirement enables fast paced installation, contributing to its popularity. It's aesthetically pleasing blue grey textured finish, combined with its T1S1W1 (≤0.6%) rating, makes it the obvious choice for both new build and refurbishment projects, giving a long lasting beautiful roof finish.


Key features:

Source:                San Vicente Region, Spain

Colour:                 Blue Grey

Texture:               Textured

Thickness:            5.5mm

Sizes available:  500 x 250mm, 500 x 375mm

Testing:                 Samples of SIGA 39 have been tested in accordance with, and comply with, the relevant sections of BS EN12326-1:2014

Representative Performance: Thermal cycling T1, Exposure S02 S1, Water absorbtion W1 (≤0.6%).


Meets the requirements of NHBC.

SIGA warranties are backed by SIG Roofing. The UK's largest distributor of roofing materials. The performance of the slate is warranted for the stated period, subject to installation in accordance with prevailling British Standards and good roofing practice.

Additional information:

Declaration of Performance is available here.

Product Datasheet available here.

Recommended nail size is 38mm x 3.35mm (in Copper or Aluminium).

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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