U-POL P40 Fibre Glass Body Filler - U-POL - P40/S

U-Pol ISOPON P.40 Body Filler for Holes is the ideal choice for repairing and priming rust holes u...

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Product Information

Full details

This guide is for anyone looking to repair rust holes and damage on metal surfaces. The U-POL P40 Fibre Glass Body Filler is ideal for filling holes up to 75mm wide, providing a strong, watertight repair that sets quickly and is ready for shaping and painting. However, ensure proper ventilation when using this product.

All features

Model Part NumberP40/S
BrandU-POL

Extended Product Information

FAQs

What is the working time for the filler?

The working time is usually a few minutes after mixing, so work quickly.

How long does it take for the filler to dry?

The filler typically sets within 20 minutes, but follow the manufacturer's specific instructions.

Can I use this filler on plastic?

No, this product is designed for metal, wood, and concrete. It is not recommended for use on plastic.

What kind of sandpaper should I use?

Start with a coarser grit (e.g., 80-grit) for initial shaping and move to finer grits (e.g., 240-grit or higher) for smoothing.

Is the hardener included?

Yes, the hardener is included with the U-POL P40 Body Filler.

Can I apply multiple coats?

Yes, multiple coats can be applied to fill deeper holes, but allow each layer to partially cure before applying the next.

Do I need to prime the surface before painting?

Yes, it is recommended to apply a primer after sanding the filler and before painting to ensure proper adhesion and a smooth finish.

How should I dispose of the product?

Dispose of any unused product and containers according to local regulations for hazardous waste.

Troubleshooting

Filler not hardening.

Ensure the correct ratio of filler to hardener is used. Check the expiration date of both components.

Filler cracking after drying.

Ensure the filler is applied in thin layers, allowing each layer to cure. Excessive thickness can lead to cracking. Ensure proper surface preparation before application.

Difficulty sanding the filler.

Use the appropriate grit sandpaper and allow the filler to fully cure before sanding. Avoid sanding too aggressively.

Pros and Cons

Pros

  • Creates strong, watertight repairs.
  • Fast-setting for quick turnaround.
  • Suitable for use on multiple materials.
  • Easy to sand and shape.
  • Reinforced with fiberglass for added strength.

Cons

  • Requires proper ventilation due to chemical composition.
  • May require multiple applications for deep holes.
  • Needs to be mixed with hardener (included).
  • Not ideal for very large or structural repairs.

Setup, Compatibility & Care

  1. Preparation:
  • Clean the damaged area thoroughly, removing rust, loose paint, and debris.
  • Ensure the surface is dry and free of contaminants.
  • Use appropriate personal protective equipment (PPE), including gloves and eye protection.
  1. Mixing:
  • Mix the filler with the hardener according to the manufacturer's instructions (included with the product).
  • Mix only the amount of filler you can use within the working time.
  1. Application:
  • Apply the mixed filler to the damaged area using a spreader.
  • Build up layers as needed, allowing each layer to partially cure before applying the next if necessary.
  1. Curing & Sanding:
  • Allow the filler to cure completely according to the manufacturer's instructions (approximately 20 minutes).
  • Sand the repaired area smooth, using progressively finer sandpaper grits to achieve the desired finish.
  1. Painting:
  • Clean the sanded area.
  • Apply primer and then paint to match the surrounding surface.
  1. Compatibility:
  • Compatible with all metals, including galvanized steel.
  • Suitable for use on wood and concrete.
  1. Care:
  • Store in a cool, dry place.
  • Keep out of reach of children.