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Redland Cambrian Slate Interlocking Roof Slate

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Made in Wales from over 60% recycled slate, this tops the range in both performance and looks with a proven track record on pitches down to 15°.

Cambrian Slates embody the beauty and character of natural slate. Made in Wales from over 60% recycled Welsh slate, Cambrian tops the range in both looks and performance and has a proven track record even on pitches as low as 15°. Whilst light in weight, Cambrian's unique three point fixing makes it suitable for even the most exposed sites.


Size : 300mm x 336mm.
Minimum pitch : 15° at 75mm headlap.
25° at 50mm headlap.
Maximum pitch : 90°.
Coverage : 15.9 slates/m2 - 210mm gauge.
14.8 slates/m2 - 225mm gauge.
13.3 slates/m2 - 250mm gauge
Weight : 1.24 tonnes/1000.
Batten size : 38mm x 25mm - rafter centres up to 400mm.
50mm x 25mm - rafter centres up to 600mm.
Battens required : 4.76m/m2 - 210mm gauge.
4.44m/m2 - 225mm gauge.
4.00m/m2 - 250mm gauge.
Nail size : 30mm x 2.65mm.

BBA certified.


Size 300mm x 336mm


Type Natural Slate Finish Smooth Colour Heather
Langdale Green
Slate Grey
Material Natural Slate
Slate Origin Welsh Profile Cambrian Slate Minimum Pitch 15 Degrees


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Questions & Answers


What is the lowest pitch for the Cambrian Tile


Hi Taffa

Size : 300mm x 336mm.
Minimum pitch : 15° at 75mm headlap.


I have lost 3 adjacent tiles (horizontally), not verge or eaves tiles, from my roof and hope you can help me to identify which tiles I have lost. I have found broken bits that indicate they are Redland Cambrian, and dimensions suggest they are product code 10001760. Because of the growth on the tiles it is difficult to tell what the finish is other than slate colour. Are there any other tell-tail details I need to note to make sure I order the correct replacements? All the surrounding tiles feel secure. Do you have a way of fixing replacement tiles without going back to the verge or the ridge? There don't seem to be any nails or clips left behind that might have been used to hold the lost tiles. Thanks Will Birkinshaw


Good morning Will


Are you able to email over some photos just so we can double-check please sales@roofingsuperstore.co.uk


Hi there, What velux flashing kit should I use for Cambrain slates. All in one flashing?


For a Redland Cambrian you would need Velux EDW Flashing, or EDJ if going for an recessed installation.


my roof pitch is 15 degrees in certain rain and wind conditions rain is blowing up under the tiles the tiles on my roof are cambrian ,how can i overcome this problem


If installed correctly Cambrian Slates can be installed down to 15°. We would suggest getting a roofer to have a look and make sure they have been installed at the correct Headlap.

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1 / 5 1 reviews
Grant Edgecock
Reviewing Redland Cambrian Slate Interlocking Roof Slate Pre Weathered - Slate Grey
16th May 2020
Slates were delivered two days after I had cancelled the order. The order was cancelled because it had not been sent out and was 4 days past the delivery date. Once delivered they was all broken and I am still waiting for a refund for the product 3 weeks after returning them.
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