U-POL Easy 3 / Top Stop Gold Finishing Body Filler Stopper 1.1L
U-POL Easy 3 / Top Stop Gold – 1.1L Finishing Stopper
Extra Smooth, Easy Sand Polyester Stopper
Formerly known as Top Stop Gold™ – now in updated U-POL packaging
U-POL Easy 3 is a premium multifunction polyester finishing stopper, engineered for extra smooth application and ultra-fine surface preparation. Designed for professional use across a wide range of substrates, it offers excellent adhesion and sands effortlessly, leaving a pinhole-free finish ready for priming and painting.
Key Features & Benefits
Extra smooth formulation for ultra-fine finishing
Minimal pinholes—ideal for final surface preparation
Fast sanding with minimal clogging
Excellent adhesion to bare metal, galvanized steel, aluminium, OEM paint, and GRP
Ready to sand in as little as 15 minutes at 20°C
Ideal for shallow surface imperfections, skim coats, and final blending
Technical Specifications
Mix Ratio: 2–3% BPO hardener by weight
Pot Life: ~3–5 minutes at 20°C (68°F)
Sanding Time: 15–20 minutes
Recommended sanding grits:
Initial: P180–P240
Final: P320+
Compatible Substrates
Bare steel
Galvanised steel
Aluminium
GRP (Glass Reinforced Plastic)
OEM finishes (excluding thermoplastics)
Surface Preparation
Clean and degrease surface with suitable panel wipe
Abrade surface using P80–P180 grit depending on damage
Ensure surface is dry and free from dust before applying
Packaging
1.1L tin
Supplied with BPO hardener
Health & Safety
Contains polyester resin and styrene – use only in a well-ventilated area
Wear appropriate PPE (gloves, safety goggles, respirator)
Consult SDS for full safety and handling guidelines
























