Pyroprotect™ Flame Retardant Wood Preservative

Pyroprotect is a Class B-s1,d0 flame retardant impregnant for exterior use.   This waterborne, transparent coating helps to prevent mould, rot, mildew and fungi as well as offering class-leading fire protection.

Pyroprotect is a flame retardant impregnant for wood with excellent weather resistance properties. Suitable for processing new and wood preservative-treated wooden surfaces, not suitable for surfaces treated with film-forming coatings (lacquers, paints, oils).


Pyroprotect is used extensively in rail applications where timber sleepers are exposed to flammable liquids, debris and then sparks from power rails.

The video below shows a single sheet of Newspaper that has been coated with Pyroprotect. As you will see the flames are quickly extinguished on the treated portion of the Newspaper.


Pyroprotect is applied at ambient temperature by brush, roller or spray applied there is no requirement for heat treatment or specialist pressure treatment. Surfaces are flame retardant 5 days post coating.

Additional Information:

Class B1 D0 S1 flame retardant
VOC free.

Supplied with:


Available Sizes:

  • 1L (Product code: 3031)
  • 25L (Product code: 3048)

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