ROOFING STANDARDS AND GUIDANCE

 

Historic Roofs

These product standards and codes of practice do not necessarily apply to historic roofing materials and their installation although some of their previsions are relevant.  Guides for historic roofs are listed on the Publications page.


Stone Slates

There are no standards for stone slates (limestones and sandstones). More information here


Slating and tiling

  1. -BS5534:2003 Code of practice for slating and tiling

  2. -BS8000 Part 6:1990 Code of practice for slating and tiling of roofs and cladding


Roofing Slates

  1. -BS EN 12326-1:2004 Slate and stone products for discontinuous roofing and cladding. Product specification

  2. -BS EN 12326-2:2000 Slate and stone products for discontinuous roofing and cladding. Methods of test

  3. -Explanation of pyrite


Explanation of slate testing here and a page on pyrite here


NFRC Technical Bulletin

TB4a Selecting Natural Slates for Roof Covering provides advice on conformity to EN12326-1 and which slates to choose for the UK. 


NHBC guide

Slates - no more grey areas sets the standard for slate used on for buildings within their control.


Clay Tiles

  1. -BS EN 1304:2005 Clay roofing tiles and fittings. Product definitions and specifications

  2. -BS EN 539-2:2006 Clay roofing tiles for discontinuous laying. Determination of physical characteristics. Test for frost resistance


British Standards Institution

Standards can be obtained from the  BSI shop

Delamination in slates which claimed conformity to EN12326-1

Pyrite failure

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