500mm x 375mm Del Carmen Ultra Quality Natural Roofing Slate & Half Blue/Black Ultra Grade Spanish Natural Roofing Slate (75 Year Guarantee). SSQ Del Carmen is specially and exclusively quarried from the Del Carmen quarry in North West Spain to offer customers a top of t... Read More
500mm x 375mm Del Carmen Ultra Quality Natural Roofing Slate & Half
Blue/Black Ultra Grade Spanish Natural Roofing Slate (75 Year Guarantee).
SSQ Del Carmen is specially and exclusively quarried from the Del Carmen quarry in North West Spain to offer customers a top of the range slate usually sought by demanding markets such as Germany or France.
SSQ Del Carmen slate is a traditional riven slate with a distinctive texture.
The blue-black colour is totally natural and does not fade in sunlight.
Properties
• SSQ Del Carmen is a high-density slate that does not crack, when fixed properly.
• It is almost totally inert and shows no reaction in polluted atmospheres.
• It is also non-porous and will not support the growth of mosses or lichens.
• It is also unaffected by insect attack.
• Whereas most slates sourced from Spanish quarries have a transverse grain, Del Carmen slates are notable for the rare characteristics of a longitudinal grain.
• The SSQ Del Carmen Ultra slate has been tested to international standards, including French Standard P32/302.
• This French Standard is widely known as the highest classification worldwide and the testing is carried out at the quarry on a yearly basis by the Laboratoire Natonal d’ Essais.
As a testament to the consistent high quality of SSQ Del Carmen slate, English Heritage and Historic Scotland have previously accepted the slate for the refurbishment of listed buildings.
• SSQ Del Carmen is also approved by Snowdonia National Park as an alternative to indigenous slate.
• Extensive and regular testing coupled with centuries of experience prove that SSQ Del Carmen slates have their place among the very best roofing slates available.
Application
• Fixing Del Carmen slates poses no problems for an experienced slater.
• They can be fixed both by the traditional nail method and by the modern hook system.
• On roofs, Del Carmen slates are suitable for pitches as low as 17°, subject to proper detailing and fixing.
• When fixed correctly, Del Carmen slates offer a life expectancy generally in excess of that of the building.
• Samples of SSQ Del Carmen have been tested in accordance with, and comply with, the relevant sections of:
• BS 680: Part 2: 1971 – Pass.
• French Standard P32/302 (1989) – Pass, Class A.
• American Standard ASTM – Pass, S1.
• German Standard DIN 58201 – 52206 – Pass.
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