John Williams and Company
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Slate Manual

Home → Slate Manual

Page 1 – History of roofing slate

Page 2 – How roofing slate is manufactured

Page 3 – The advantages of natural roofing slate

Page 4 – Types of roofing slate

Page 5 – Principal characteristics of roofing slate

Page 6 – Technical terms

Page 7 – British Standard

Page 8 – Shape, size and thickness

Page 9 – Design considerations

Page 10 – Laps and covering capacities

Page 11 – Materials and components required

Standard specification and details

Page 12 – Dressing, grading, holing and preparation

Page 13 – Eaves, general laying & verges

Page 14 – Top course, ridges, hips and gas flues

Page 15 – Lead ridges, valleys and raking eaves

Page 16 – Abutments, firestop walls and vertical cladding

Page 17 – Ventilation and random slating

Our Guide to Roof Slating

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