A strong durable blue grey best grade Spanish slate with excellent proven reliability in the UK and Europe for over 30 years. It naturally splits from the block to give a relatively flat smooth fine grain surface with longitudinal texture. It has few visible stable inclusions and excellent selection between 5 – 6mm thick.
| DESCRIPTION | ROOF |
|---|---|
| Minimum roof pitch | 25Ëš Moderate Exposure 30Ëš Severe Exposure |
| Headlap (Average) | (85mm -105mm) pre holed at 90mm |
| Batten spacing (Average) | 205mm |
| Size of tile | 500 x 250mm |
| Covering capacity | 20.0 slates per m² (Guide) |
| Cover width | 250mm |
| Weight as laid | 38-40kg per m² |
| Battens per m² | 4.88m |
| Batten size | 50 x 25mm |
| Nail size/ type for tiles | 30/32mm x 3.35g |
All our slates are regularly tested to the British and European Harmonised Standard BSEN 12326-1: 2014 with the following results:
Copies of the latest test results, Declaration of Performance and CE Marketing are available as downloads from our website or please contact us and we will send them to you.
All our slates are waterproof and unaffected by normal extremes of temperature, highly resistant to acids, alkalis and other chemicals and are colour-fast and non-fading, even in UV light.
This blend of quality and aesthetics, as well as the large format sizes available, make our natural roofing slate much desired for heritage and prestigious projects as well as new builds and extensions alike.
Slate is available in many sizes, but the most common and economical to purchase and fix per m2, is 50x25cm as is our stock. In areas of moderate rainfall this size slate can be used on roof pitches down to 25o , and by using a 30cm wide slate as low as 200. Technical downloads are available on our website or contact us and we can send them to you.
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