Polycell Exterior Polyfilla Powder - 1.75kg

This product is specifically formulated for outdoor use and is not recommended for indoor applications.

The filler sets in approximately 60 minutes under normal conditions. It can be painted or drilled once fully dry, typically a few hours after setting, depending on depth and environmental factors.

Yes, it is suitable for any size or depth of repair. For deeper repairs (over 10mm), it is best to apply in layers, allowing each layer to dry.

Yes, once fully dry, the filler can be painted. Priming with a suitable alkali-resistant primer is recommended before painting for best results.

The general recommendation is approximately 4.5 parts filler powder to 1 part water. Mix to a smooth paste.

Yes, the cured filler is waterproof and frost-resistant, making it suitable for outdoor use in various weather conditions.

Yes, the hardened filler is drillable and will accept bolts and screws, providing a secure base for fixings.

Ensure the correct powder-to-water ratio is used. Check for very low temperatures or high humidity, which can affect setting times. Ensure the powder has not been exposed to moisture during storage.

For deeper repairs, ensure the filler is applied in layers, allowing each to dry. Ensure the surface preparation was adequate, removing all loose material. Avoid applying too thickly in a single layer for deep fills.

Work with smaller batches if the 15-minute workable time is insufficient. Ensure the application tool is clean and suitable for smoothing. Dampen tools slightly if needed, but avoid adding excess water to the mix.

The powder has likely been exposed to moisture. Store in a dry environment and check that the packaging is sealed properly. If hardened, it may not mix to a usable paste.