Haddon
A strong durable standard grade Spanish slate with excellent proven reliability in the UK and Europe for over 30 years. A smooth fine grain Dark Grey slate with longitudinal texture and a selection of 5 – 7mm. It may occasionally, have visible non-reactive inclusions that appear as a fine dusting.
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Expert Advice
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.
Technical Info
|
Description |
Roof |
|---|---|
|
Minimum roof pitch |
25˚ Moderate Exposure 30˚ 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 |
Product Info
All our slates are regularly tested to the British and European Harmonised Standard BSEN 12326-1: 2014 with the following results:
- Highest Class A1/W1 for water absorption
- Highest Class T1 for thermal cycle resistance
- Highest Class S1 for sulphur dioxide exposure resistance
- Excellent transverse and longitudinal flexural strength
- Acceptable non-carbonate content
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.
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