If you’re an architect, engineer, landscaper or contractor working with wood, you’ll know your choice of timber is vital to the look and cost of a project. However in terms of longevity and performance, it’s also important to consider specifying an industrial, factory applied pre-installation treatment – they fall into 3 categories: 

Wood Modification

Flame Retardants

Wood Modification

Preservative Treatment

In order to meet today’s building standards and codes of practice and to enhance its performance in service, timber's natural ability sometimes needs additional help. We can categorise these situations simply into two areas:

Enhancing timber’s performance in a fire 

Extending the service life of timber by enhancing its durability: resistance to decay and insect attack 

Sustainability and the environment

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The WPA operate a series of industry recognised Quality Approval (QA) schemes branded as WPA Benchmark. These cover formulations, processes and products – providing valid independent assessment and verification.


In addition, our members can supply timber treatment formulations, process treatments and complete treated products – find them in the appropriate sections:


 Flame Retardant formulations, process treaters and distributors


Modified Wood
manufacturers and products


Preservative formulations, process treaters and treated timber products

Take a look around the

Resource Centre

FAQs - Manuals - Guidance Notes - Training

All of our resources are free to view and download. Please contact us if you have questions about any aspect of wood protection specification, quality assurance or application good practice.

WOOD: designed by nature, protected by innovation

The Wood Protection Association

5c Flemming Court, Castleford, West Yorkshire

WF10 5HW. United Kingdom

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