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Boss Medium Density Wood Filler

$17.00$103.00 ex GST

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Boss Medium Density Wood Filler is an easy to use general purpose wood filler. The non-toxic single pack formula is environmentally friendly and makes it ideal for use in residential applications. Suitable for filling holes and imperfections in a variety of interior and exterior applications.


  • Fast dry and non shrinking
  • Interior and exterior
  • Paintable and stainable
  • Excellent adhesion to a variety of substrates
  • Super smooth finish and minimal slumping
  • Long-lasting resistance to mildew and organic growth
  • Easy sanding and excellent faring properties
  • Minimal flashing
  • Clean up with water


Fills holes and imperfections in –

  • Timber and fibre cement weatherboards and claddings
  • Timber trim, architraves, windows and door frames
  • MDF and wood based composites
  • Concrete blocks, stucco and masonry


  • Boss Wood FillerΒ should not be be subjected to prolonged exposure to rain or sun. Apply a high quality paint as soon as practicable after curing
  • Not suitable for use with substrates which are permanently wet or subject to regular saturation
  • Fill larger holes by applying filler in multiple layers, allowing filler to cure between applications


Available in 500ml, 1L & 4L.

Additional information




1L, 4L, 500ml

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