The Timber Decking Association (TDA) is a technical and advisory organisation that provides guidance on the materials and practise's required to create high quality decks and associated structures.

The TDA is the voice of authority on decking in the UK and is recognised as setting the standard for all that's best in design, construction practises.

The Association's main aim is to help homeowners, developers and the operators of commercial and leisure properties specify or source high quality and performance deck structures.

Membership of the TDA is made up of organisations, large and small, spanning the entire timber supply chain and includes: forestry associations; timber technologists; component manufacturers and suppliers; timber protection and maintenance specialists as well as designers and installers.