Intergrain UltraPrep Mould Killer is a biodegradable, environmentally responsible formula with an active mould killing life of 6 hours once diluted.

• Sizes: 800g 

Specially formulated to effectively remove mould from exterior timber including coated and uncoated surfaces. It is recommended to always use Intergrain UltraPrep Mould Killer in humid and mould susceptible areas as the first step of preparing timber for coating.

Note: Lack of visible growth does not necessarily indicate and uncontaminated surface. Many spores are not visible to the naked eye and can germinate and grow beneath surface coatings and timber stains.