U-Pol Reface Polyester Spray Filler - UPOL/SF1
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Product Information
Full details
The U-Pol Reface Polyester Spray Filler is designed for automotive technicians and industrial refinishers who require a high-build, professional-grade surface leveling agent before topcoat application. It excels at smoothing out imperfections on steel and glass fibre substrates, delivering a uniform foundation for paint. The primary caveat is that it is a 2K product requiring careful mixing with the included hardener, making it unsuitable for quick touch-ups or inexperienced DIY users who lack proper spray equipment.
All features
| Model Part Number | UPOL/SF1 |
|---|---|
| Brand | U-Pol |
Extended Product Information
FAQs
Can I use U-Pol Reface over existing paint?
It is best applied over prepared steel or glass fibre; always remove existing coatings to sound metal or fiber for the best results.
Does this kit include the hardener?
Yes, the kit includes the necessary hardener required for the 2K curing process.
How long do I have to apply the product after mixing?
The product has a limited pot life once the hardener is added, typically lasting 15-30 minutes depending on temperature.
Can I apply topcoat directly over Reface?
It is highly recommended to apply a primer/sealer over the Reface before applying a topcoat to ensure proper color holdout and finish quality.
Is this suitable for repairing deep dents?
Reface is a spray filler intended for surface smoothing and minor imperfections, not for deep dent repair; use a dedicated body filler for deep damage.
Troubleshooting
Filler is not curing or staying tacky
Ensure the correct ratio of hardener was mixed in and check that the ambient temperature is within the recommended application range.
Surface peeling or flaking
The substrate was likely contaminated with grease or moisture; sand down, thoroughly degrease, and reapply.
Spray gun clogging
The filler may have been mixed too thick or the pot life has expired; flush the gun immediately and adjust mix consistency.
Pros and Cons
Pros
- High-build capacity covers surface defects rapidly
- Excellent adhesion to common automotive substrates
- Provides a very smooth base for premium paint jobs
- Easy to sand once fully cured
Cons
- Requires professional spray equipment for application
- Mixing ratio accuracy is critical for curing
- Limited pot life once hardener is added
Setup, Compatibility & Care
To begin, ensure the surface is clean, dry, and free of any rust, oil, or contaminants. Proper substrate preparation—typically by abrading the surface with P80-P180 grit paper—is required for maximum adhesion.
Mixing Instructions:
- Measure the required amount of filler based on your project size.
- Add the provided hardener according to the manufacturer's specified ratio.
- Stir thoroughly until the color is uniform.
- Apply using a spray gun with the appropriate nozzle size recommended for high-viscosity materials.
Care: Clean all spray equipment immediately after use with a high-quality solvent to prevent the polyester from curing inside the gun internals, which can cause permanent damage.