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U-Pol U-Build Construction Filler

U-Pol U-Build polyester filler is a two component chemical paste used for filling gaps, small holes, dents and cracks. It is ideal for repairing holes, dents, splits and cracks in wood, metal, stone, concrete, and unglazed ceramics. It can also be used for covering weld marks on metal repairs. U-Pol U-Build is very easy to shape which makes it ideal for detailed work on for example metal gates and decorative pillars.

General Qualities

  • Resistant to heat and humidity
  • Excellent adhesion and vertical hold
  • Sand and shape in 20 minutes
  • Suitable for interior and exterior use
  • Does not crack or shrink
  • Easy sanding

Technical Data

  • Colour: Beige
  • Mixing ratio: 2% by weight
  • Gel time: 4 – 6 minutes @ 20°C; 3 – 5 minutes @ 25°C
  • Drying time: Dry to sand in 20 minutes

Suitable Surfaces

  • Wood
  • Concrete
  • Stone
  • Unglazed Ceramic
  • Plasterboard
  • Original Paint Surfaces
  • Fibreglass
  • Glass Reinforced Plastics (GRP)
  • Metal including bare steel, aluminium and galvanized steel
Available Sizes
  • 5.5kg
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