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16.17 GBP

Polycell Expanding Foam Polyfilla, 825 ml

Can be painted over, filled or plastered Ideal for filling and sealing awkward gaps, hollows and cavities Shoots liquid foam deep into cavities Expands to make a long-lasting seal Insulates against heat, sound and moisture

Polycell Expanding Foam Polyfilla – 825 ml

Polycell Expanding Foam Polyfilla is a high‑performance, ready‑to‑use expanding foam designed for filling gaps, cracks and voids in walls, ceilings, floors and other building surfaces. The 825 ml tube delivers the right balance of volume and ease of application for both professional contractors and DIY enthusiasts.

Key Features

  • Rapid Expansion: Expands quickly to fill cavities up to 10 cm deep, providing a solid base for subsequent finishing work.
  • Self‑Leveling Finish: Once applied, the foam spreads evenly, eliminating the need for additional leveling tools.
  • High Strength & Durability: After curing, it offers excellent structural support and resistance to moisture, making it suitable for interior and exterior applications.
  • Easy Cleanup: Excess foam can be trimmed with a utility knife before it fully cures, ensuring a neat final surface.
  • Versatile Compatibility: Works well on plaster, drywall, concrete, wood, metal and other common building materials.

Application Process

  1. Preparation: Clean the area to remove dust, grease or loose material. Ensure the surface is dry for optimal adhesion.
  2. Loading the Tube: Insert the nozzle into the tube and press the trigger until the foam begins to flow. The 825 ml capacity allows for multiple applications without frequent refills.
  3. Filling Gaps: Apply the foam directly into cracks or voids, allowing it to expand naturally. For larger cavities, apply in layers to avoid over‑expansion.
  4. Curing Time: Let the foam cure for at least 24 hours before sanding or painting. Curing time may vary with temperature and humidity.
  5. Sanding & Finishing: Once cured, sand the surface to achieve a smooth finish. The foam can be primed and painted like any other filler material.

Technical Specifications

SpecificationValue
Volume825 ml (0.82 L)
Expansion RatioUp to 10:1 (volume increase)
Curing Time24–48 hours (ambient conditions)
Temperature Range-5 °C to +40 °C during application
CompatibilityPlaster, drywall, concrete, wood, metal, tile, etc.
FinishSmooth, paintable surface after curing

Ideal Use Cases

  • Wall Repairs: Filling hairline cracks or larger voids in interior walls before plastering.
  • Ceiling Sealing: Expanding into gaps between ceiling panels and joists to prevent drafts.
  • Flooring Installation: Leveling uneven subfloors prior to laminate, hardwood or tile installation.
  • Exterior Applications: Sealing gaps around windows, doors or in masonry walls where moisture ingress is a concern.

Benefits Over Traditional Fillers

  • Unlike paste fillers that require multiple coats and sanding, Polycell Expanding Foam Polyfilla expands to fill the space in one application.
  • The foam’s self‑leveling property ensures a uniform surface, reducing post‑application work.
  • Its high expansion ratio means less material is needed for large voids, saving time and effort.
  • Resistance to moisture makes it suitable for areas prone to dampness, unlike some conventional fillers that can degrade.

Safety & Handling Tips

  • Wear gloves and eye protection when handling the foam to avoid skin irritation.
  • Avoid inhalation of fumes; work in a well‑ventilated area.
  • Keep the tube sealed when not in use to prevent premature drying.
  • Dispose of unused foam according to local regulations for chemical products.

Conclusion

The Polycell Expanding Foam Polyfilla 825 ml offers a reliable, efficient solution for filling gaps and preparing surfaces across a wide range of construction and renovation projects. Its rapid expansion, self‑leveling finish, and durable cured state make it an indispensable tool for achieving smooth, paintable results with minimal effort.


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Tags Polycell Expanding Foam Polyfilla Expanding Foam Polyfilla
Identifiers
Brand Polycell
Polycell is a brand of home improvement products, including paints, sealants and adhesives. The company was founded in the UK in 1969, and has since become a leading supplier of DIY products in Europe.
Model Polycell PLCEF825
MPN Polycell PLCEF825
ID 10418834
Dimensions / Weight
Key Features

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