A high-performance range of interior and exterior fillers formulated for master painters and DIY.
Reliable, high-performance exterior fillers!
Boss Fillers will out-last and out-perform with a range of quality assured exterior products!
Endorsed by New Zealand’s leading timber cladding manufacturers and field tested since 2008 in our demanding weather extremes and seaside environments!
Ensure the integrity of your claddings and paint systems with Boss Fillers range of premium exterior fillers!
Timber weatherboards move with the seasons, ordinary fillers don’t.
UltraPoxy is a permanently flexible epoxy filler specifically developed for filling nail holes and defects in timber cladding where seasonal expansion, contraction and moisture ingress may be present.
UltraPoxy PDS & SDS Downloads
High Density Performance Filler is a heavy-duty water-based filler formulated for abrasion & impact resistance, and longer-lasting moisture resistance in exterior applications.
High Density PDS & SDS Downloads
The elements never quit, neither should your gap filler.
ExoGap Exterior is a hard-wearing general purpose siliconized gap filler. Lasts longer in weather exposed areas and promotes better adhesion of exterior paints. Firm but flexible gap filling.
ExoGap Exterior PDS & SDS Downloads
Timber weatherboards move with the seasons, ordinary fillers don’t.
UltraPoxy is a flexible exterior epoxy wood filler designed primarily for filling of nail holes in timber weatherboards where seasonal expansion, contraction and moisture ingress may be present.
PDS & SDS Downloads
When the substrate works hard, the filler should work harder.
High Density Performance Filler is a heavy-duty water-based filler formulated for abrasion & impact resistance, and longer-lasting moisture resistance in exterior applications.
The elements never quit, neither should your gap filler.
ExoGap Exterior is an easy-to-use general purpose siliconized gap filler. Lasts longer in weather exposed areas and promotes better adhesion of exterior paints. Uncured product cleans up easily in water.
PDS & SDS Downloads
Convenient, easy to use interior fillers!
Good preparation is key to a satisfying paint job! Eliminate the guesswork with Boss Fillers easy-to-use range of interior fillers!
Designed to apply smoothly, cure quickly, and sand easily, Boss Fillers interior range provides hassle-free performance for professional tradesmen and DIY.
Take your painting and decorating to the next level with Boss Fillers range of premium interior fillers!
The paint gets the credit, but a good finish starts beneath the surface.
Medium Density Wood Filler is our general-purpose wood filler developed for interior or exterior use. Featuring fast cure time, easy to sand, non-shrinking, and smooth application.
PDS & SDS Downloads
Better results come from better products. Work smarter, not harder.
Low Density Fast Filler is a high-performance light-weight filler designed for low impact interior surfaces. Fast curing and ultra-easy sanding for time sensitive applications.
PDS & SDS Downloads
Don’t let movement ruin a great finish. Good gaps are the ones you never see.
ExoGap Interior is a flexible acrylic gap filler formulated for filling of gaps and cracks around architraves, skirtings and trim where minor movement or vibration is expected.
PDS & SDS Downloads
The paint gets the credit, but a good finish starts beneath the surface.
Medium Density Wood Filler is our general-purpose wood filler developed for interior or exterior use. Featuring fast cure time, easy to sand, non-shrinking, and smooth application.
Medium Density PDS & SDS Downloads
Better results come from better products. Work smarter, not harder.
Low Density Fast Filler is a high-performance light-weight filler designed for low impact interior surfaces. Fast curing and ultra-easy sanding for time sensitive applications.
Low Density PDS & SDS Downloads
Don’t let movement ruin a great finish. Good gaps are the ones you never see.
ExoGap Interior is a flexible acrylic gap filler formulated for filling of gaps and cracks around architraves, skirtings and trim where minor movement or vibration is expected.



















