U-Pol Fantastic Lightweight Filler/Stopper – 3.5L is an ultra-lightweight, multi-purpose body filler offering superb spreadability, rapid cure, and exceptionally easy sanding for pinhole-free, flawless finishes on various automotive substrates.


£35.88 inc. VAT
£29.90 ex. VAT

6 in stock

Additional Information

Effortless Perfection with U-Pol Fantastic Lightweight Filler/Stopper - 3.5L

Revolutionize your body repair workflow with the U-Pol Fantastic Lightweight Filler/Stopper, now available in a substantial 3.5-litre tin, often bundled with its essential hardener. This exceptional multi-purpose polyester filler is engineered for unmatched ease of use, delivering a superior quality finish on both medium and fine panel damage. Its innovative ultra-lightweight formula ensures remarkable spreadability, allowing for smooth, effortless application that significantly reduces repair time.

Designed for professionals and enthusiasts seeking efficiency, Fantastic provides excellent adhesion to a wide array of automotive substrates, from bare steel and aluminium to galvanised surfaces and even some plastics. It cures rapidly to a pinhole-free consistency and sands down with incredible ease, making it the ultimate solution for achieving a flawlessly smooth surface, ready for primer or paint.

Key Features and Benefits:

  • Ultra-Lightweight Formula: Drastically reduces application effort and allows for feather-edge sanding, saving valuable time and energy.
  • Multi-Purpose Versatility: Excellently fills medium-depth dents, deep imperfections, and also acts as a fine stopper for minor scratches and pinholes.
  • Superior Spreadability: Its creamy, non-sagging consistency ensures incredibly smooth application, enhancing control and finish quality.
  • Rapid Cure & Easy Sanding: Accelerates project timelines with quick hardening, followed by effortlessly smooth and rapid sanding properties.
  • Pinhole-Free Technology: Formulated to minimize the formation of unsightly pinholes, leading to a cleaner, more uniform surface.
  • Broad Substrate Adhesion: Bonds powerfully to various materials, including bare steel, aluminium, galvanised steel, and certain plastics, expanding its utility.
  • Economical 3.5-Litre Size: Provides ample volume for high-demand professional use or multiple large-scale projects, delivering superb value.
  • Professional-Grade Outcome: A premium U-Pol product, trusted globally for its consistent performance and ability to produce showroom-quality results.

Application Process Summary:

  • Ensure the repair area is immaculately clean, dry, and properly prepared (degreased and abraded to create a key).
  • Mix the required amount of filler thoroughly with the supplied hardener (check packaging for inclusion) according to U-Pol's precise ratio guidelines until a uniform color is achieved.
  • Apply the mixed filler using a suitable spreader, pressing firmly to eliminate air pockets and building up layers as necessary.
  • Allow the filler to cure completely (consult the product's technical data sheet for specific times based on temperature) before sanding to a perfectly smooth, feathered finish with appropriate grit sandpaper.

Opt for U-Pol Fantastic Lightweight Filler/Stopper 3.5L to experience the pinnacle of effortless repair, achieving a truly fantastic finish every single time.