U-Pol Reface Polyester Spray Filler - UPOL/SF1
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Product Information
Full details
The U-Pol Reface is a professional-grade 2K polyester spray filler designed for automotive technicians and body shop professionals who require a high-build solution for surface restoration. It provides exceptional filling capabilities and creates a smooth, durable base on steel and glass fiber, though it requires careful preparation and precise mixing to achieve the best results.
All features
| Model Part Number | UPOL/SF1 |
|---|---|
| Brand | U-Pol |
Extended Product Information
FAQs
Can I apply U-Pol Reface over bare metal?
It is recommended to apply a suitable etch primer or epoxy primer to bare metal before using the Reface filler to ensure maximum adhesion and corrosion protection.
What is the recommended grit for sanding the cured filler?
For best results, sand with P180–P320 grit sandpaper to achieve a smooth finish before priming.
Is the hardener included?
Yes, this kit includes the necessary hardener to facilitate the 2K curing process.
How long does it take to dry?
Drying times depend on temperature and humidity, but it is typically sandable after 1-2 hours at room temperature.
Can this be used on plastic bumpers?
U-Pol Reface is primarily formulated for steel and glass fiber; verify specific plastic adhesion properties before attempting to use it on flexible automotive plastics.
Troubleshooting
Product is not curing properly
Verify the mixing ratio and ensure the ambient temperature is within the recommended application range.
Finish is cracking or peeling
Ensure the substrate was properly sanded and cleaned of all contaminants before application.
Spray gun is clogging
The product has exceeded its pot life; mix a fresh batch and ensure the gun is cleaned immediately after every use.
Pros and Cons
Pros
- Excellent filling capacity for irregular surfaces
- High compatibility with steel and glass fiber
- Easy to sand once cured
- Provides a stable foundation for automotive paint
- Professional-grade durability
Cons
- Requires professional spray equipment
- Limited pot life once hardener is added
- Requires careful surface preparation to avoid lifting
- Not suitable for direct application over untreated bare metal
Setup, Compatibility & Care
To ensure success, surfaces must be clean, dry, and free from grease or wax. Before application, abrade the surface with P80–P180 grit sandpaper. When mixing, follow the manufacturer-specified ratio precisely, as the 2K chemical reaction is sensitive to hardener concentration. Once mixed, the material has a limited working time and must be sprayed immediately. Clean all application equipment with appropriate thinners immediately after use to prevent the product from curing inside your spray gun, as cured polyester is difficult to remove.