Overview
Built for the job.
Fibral Fiberglass Filler takes the place of short and long strand products and is ideal for bridging holes while providing a tough resistant GRP coating.
U-POL FIBRAL UP0754 is a high-strength fiberglass filler designed for structural repairs on automotive panels and components. This fibrous paste formulation provides excellent adhesion and durability for filling holes, tears, and damaged areas that require reinforcement beyond standard body fillers.
The filler bonds effectively to multiple substrates including steel, aluminum, fiberglass, and primed surfaces, making it versatile for various repair applications. With a VOC content of 359 g/l, this product meets regulatory requirements while delivering professional-grade performance. The 1-liter can size provides adequate material for moderate to large repair jobs.
Apply proper ventilation and use appropriate respiratory protection when working with this product. Follow standard mixing ratios and surface preparation procedures for optimal adhesion and cure characteristics.
Why Pros Choose U-POL UPO
- Smooth spreading and easy to apply
- Can be shaped and sanded once cured
- Completely waterproof
- Can be sanded and directly top coated in 20 min
- Easy to apply, smooth spreading consistency
- Forms hard, durable surface
- Can be shaped and sanded once cured
- Waterproof
- Can be top coated with putty or directly top coated with paint
Application Guide
- Clean substrate thoroughly and sand to create proper adhesion profile on aluminum, fiberglass, primer, or steel surfaces
- Mix filler thoroughly before application to ensure proper fiber distribution
- Apply using appropriate spreader or putty knife, working material into damaged area
- Allow to cure completely before sanding and finishing
Compatibility
Compatible substrates: Fiberglass.
Specifications
| Part No. | 0754 |
|---|---|
| Product Line | UPO |
| MFR Model | UP0754 |
| Standard/Approvals | California Pro65 Warning: Cancer | GHS07 and GHS08 |
| Manufacturer | U-POL |
| Trade Mark | FIBRAL |
| UPC | 501079610271 |
| Brand | U-POL® |
| Maximum Sale Quantity | 6 |
| Maximum Sale Day | 7 |
| Color | Yellow |
| Form | Fibrous/Paste |
| Container Type | Can |
- VOC Content
- 359 g/L (3 lb/gal)
- Compatible Substrates
- Aluminum, fiberglass, primer, steel
- Shelf Life
- Per batch coding system
About U-POL
U-POL delivers pro-grade refinish products including Raptor bed liner, Dolphin glazes, and Power Can aerosols used in shops worldwide.
Frequently Asked Questions
What surfaces can I use this fiberglass filler on?
This filler is compatible with aluminum, fiberglass, primer, and steel substrates, making it suitable for most common auto body repair applications.
What's the VOC content of this product?
The VOC content is 359 g/l (3 lb/gal), so ensure your shop meets local emission regulations when using this product.
How can I tell if my product is still good to use?
U-POL uses a batch coding system for shelf life tracking. Check the batch code on your container and contact your supplier if you need to verify the product's age and usability.
Documents & Safety
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.
Cure & dry schedule
Timing at 77°F
Gel Time
5 – 6 minutes
Sandable
15 – 20 minutes
How to apply
Steps
1Sand to bare metal and clean the repair.
2Mix filler and hardener to one uniform color.
3Spread thin layers within the work time.
4Let set, then block-sand through the grits.
5Prime before applying topcoat.
Specifications
Full data
Frequently asked
Good to know
U-POL UPO is compatible with Fiberglass. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
Most in-stock orders for U-POL UPO ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Yes. autofxmart is an authorized distributor of U-POL products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
The MPN for U-POL UPO is 0754. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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