Current
Core Supplement
Guidance on industrial wood preservation for specifiers, wood treaters and those involved with using treated wood. Includes objectives and practice of industrial wood preservation, wood preservatives, specifying preservative treatment, treating wood, using treated wood, safety, health and the environment, supporting information.
Latest version Issue 4, January 2024. Supersedes First edition, January 2021. Supersedes 'Manual: Industrial wood preservation. Specification and practice' (WPA, 2012).
The Wood Protection Association (WPA) is a not-for-profit timber trade organisation. The WPA champions and provides advice on industrial wood treatment technologies that enhance the performance of softwood products. Covering: preservative treatments, wood modification and factory applied flame retardant treatments.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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