It is important to ensure that the correct environment is specified when selecting the type of fire retardant treatment as some fire treatments cannot be used externally or will need additional treatments/coatings to be used externally due to the risk of leaching or degradation.
Three types of service environments are specified, i.e. –
Internal dry (INT 1) examples of products on the market are Dricon, Fire Pro, TF Fire Internal
Internal humid (INT 2) examples of products on the market are Dricon, Fire Pro, TF Fire Internal
External (EXT) examples of products on the market are Non-Com, Fire Fire X, and TF Fire External
Timber Cladding Fire Treatment Questions and Answers (FAQ)
UK flame retardant treatment for wood (fire treated timber) and what benefit?
What (Level) Class of fire treatment should I specify for my timber cladding?