http://www.sigaslate.co.uk/knowledgebase/installation-advice/batten-and-holing-gauges-for-natural-slate/ WebHoling gauge = batten gauge + headlap + 10mm. The most commonly used slate size in Southern England is 500x250mm and 400x250mm in Scotland and the North of England. Most stock slates will be pre-holed at 75, 90 or 100mm, allowing you the versatility of different pitches – commonly 25 degrees in moderate exposure zones and 30 degrees in …
(20x10) 500x250 Spanish Slate 24hr Delivery Available - Buy Roof …
Web500mm x 250mm Del Carmen Standard Quality Natural Roofing Slate. Blue/Black Standard Grade Natural Roofing Slate (30 Year Guarantee). SSQ Del Carmen is specially and … WebNominal thickness: 3.5 – 5mm. Our R EXCELLENCE selection of natural slate roofing is the result of an extraordinarily rigorous classification process that is only passed by slates of great flatness and very regular thickness. Our CUPA R EXCELLENCE slates are considered to be the best natural slates produced in the world by thousands of ... gr 9 academic math
Fesco Caledonian Heavy Slate - The Natural Slate Company
WebThe Caledonian roofing slate is specially produced for the Scottish market in a heavier, and more robust thickness, closely resembling a traditional Ballachulish slate Nominal thickness is 7-9 mm, occasionally we have some extra heavies 400 x 250 at 10-12 mm, these may be available at no extra cost on a first come first served basis . All slates are preholed to a … WebFesco Blue Grey roofing slate is a first quality slate similar in colour and appearance to a traditional Welsh blue/grey slate. All slates are preholed to a standard 90 mm headlap, which can then be used to achieve headlaps from 75 mm to 105 mm. 10% discount off 400 x 200 slates while stocks last The Fesco Blue grey is a non-fading slate supplied with a 75 year … Web200 & Over £2.10 Inc VAT. Premier slate is a low cost slate that is uniform in thickness, texture and appearance. A feature of this particular slate is its tendency to naturally … gr9 carplay