What is BS EN 1342 – stone sett paving requirements and tests about?  
Stone setts are used for paving due to their versatility, durability, and natural beauty. BS EN 1342 is a European Standard that discusses setts of natural stone for external paving
BS EN 1342 specifies the performance requirements and the corresponding test methods for all natural stone setts that are used for external paving and road finishes.
Who is BS EN 1342 - stone sett paving requirements and tests for? 
BS EN 1342 on natural stone sett paving requirements and tests is useful for: 
- Relevant government / municipal authorities that commission work
- Road transport authorities
- Purchase divisions responsible for procuring stone setts
- Contractors
- Retailers and suppliers of natural stone
- Quality control personnel
- Natural stone experts
- The construction industry
- Builders / real estate developers / architects working on large projects
Why should you use BS EN 1342 – stone sett paving requirements and tests?  
External paving use includes all pavements typical of road works, such as pedestrian and trafficked areas, and outdoor squares, that are subject to the weathering agents, such as temperature changes, rain, ice, wind, etc.
BS EN 1342 provides guidelines for the evaluation of conformity and for the marking of natural stone setts. BS EN 1342 covers also characteristics that are of importance to the trade.
BS EN 1342 guidelines represent a means to guarantee constancy of the product’s performance and a reliable declaration for both the users and the manufacturer.
BS EN 1342 discusses criteria such as tolerances, freeze/thaw resistance, abrasion resistance, as well as slip and skid resistance for stone setts.
BS EN 1342 guidelines help you to use appropriate natural stone setts that provide longevity to external paving. Users are not inconvenienced since stone setts withstand weathering well and can last for decades with very little maintenance.
What’s changed since the last update?
BS EN 1342:2012 supersedes BS EN 1342:2001 which is withdrawn. BS EN 1342:2012 includes the following editorial and technical changes with reference to BS EN 1342:2001. These include:
- Where possible the requirements refer to separate test methods prepared by CEN/TC 246, "Natural stones". The change was made to allow those placing the products on the market to use the same test results for a number of products.
- The values to be declared have been clarified and where applicable the declared values are now ‘lower expected values’
