Timber Stocks

James Donaldson Timber

Timber Treatment

BSW Timber

From timber treaters to technical consultants, find a WPA member here.

WPA Member 

Products and Services

We only accept membership of and approve products from, organisations who can verify their quality of standards. For chemical and coating suppliers, having ISO9001 certification is a minimum mandatory requirement.  
You will find details of WPA members who offer treated wood products and associated treatment services in each of the relevant sections of this site – use the links below to go to them directly.

WPA Benchmark Scheme logo.png

WPA Members who hold WPA Benchmark accreditation have gained further valid independent assessment and verification for either their treatment, product or service, through our audited quality schemes process.

Here we list additional WPA members under their relevant 'categories'.




Trade, Technical and Learned Bodies

Independent Consultantcy Services - ask the WPA for contact details

These independent consultants have experience and competence in advising on wood protection technologies and may be able to offer expert witness services.