Standards Development
This British Standard gives recommendations and guidance for the preservative treatment of wood to provide protection against biodeterioration in end-use situations. It gives recommendations for determining the need for treatment and specifying the type of treatment.
It also recommends levels for the penetration and retention requirements of preservatives tested to BS EN 599-1 and for boron and creosote preservatives, using the terminology used in BS EN 351-1, for different timber components and takes into account the natural durability and treatability of the wood employed, the use class as defined in BS EN 335 and the desired service life. It also provides guidance on establishing whether a specified level of treatment has been achieved.
This revision includes update changes to normative references that affect the text as well as updates to Regulatory changes that have forced several older formulations off the market and replacement formulations.
Industry users widely complain that the standard is difficult to use and B/515 wishes to rewrite sections to address this criticism. section re-writes and addition of, inter alia, incorporation of visual guidance (diagrams or images) with a full revision to assist industry.
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