Other tools NBS offers a range of tools for specification and collaboration National BIM Library The most trusted BIM Library in the UK, certified to the internationally-recognised NBS BIM Object Standard Uniclass 2015 A dynamic and unified classification system for the construction industry covering all sectors Construction Information Service (CIS) A comprehensive online collection of construction related standards, regulations, technical advice and articles Plug-ins NBS provides a range of tools to help connect your CAD model to your specification model
Platform Resources Support Events About TheNBS.com Manufacturers Uniclass 2015 Get in touch

Platform

NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass 2015 Construction Information Service (CIS) Plug-ins

Resources

Knowledge Sample Specification Case studies Authors

Support

Training Downloads and updates

About

About NBS Newsroom

Platform

NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass 2015 Construction Information Service (CIS) Plug-ins

Resources

Knowledge Sample Specification Case studies Authors

Support

Training Downloads and updates

About

About NBS Newsroom

Buyer's guide to preservative treated wood

Publication Year

2020

Document Status

Withdrawn

Abstract

Guidance on the three Use Classes for treated wood specified by the WPA Code of Practice for Industrial Wood Preservation, with a checklist for purchasing and application.

Document History

Superseded by Issue 6: April 2022. Issue 5 - December 2020. Supersedes Issue 4 - August 2020. First issued May 2019.

Publisher Information

Wood Protection Association

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.

Office 5
The Walled Garden
The Nostell Estate
Wakefield
WPA
UK

Website: https://www.thewpa.org.uk/
Email: contact@thewpa.org.uk
Tel: +44 (0)1977 558274