Easy Sand Sealer Undercoat

A free-sanding sealer, perfect for preparing new Gib® and wallboard

  • Free-sanding to a smooth finish
  • Excellent spray application properties
  • Waterbased, low odour and low VOC


Aalto Tradeline Easy Sand Sealer Undercoat is a professional quality waterbased sealer undercoat for interior broadwall surfaces. Formulated to provide a smooth, even finish with easy sand properties and excellent opacity.

  • Typical uses: interior walls and ceilings
  • Ideal for - new Gib®, plaster, interior wallboard
  • Coverage: 8-10m2 per litre

Application guide

Aalto Tradeline Easy Sand Sealer Undercoat can be applied by synthetic brush, roller, or spray.

Airless spray – a 417 or 517 tip is recommended. 
Rolling – a synthetic 10mm nap roller sleeve is recommended.

  1. Ensure surfaces are free from loose and flaking paint. Wash surfaces with a suitable cleaner such as sugar soap to remove any dirt, oils or grease. If any areas of mould are present, treat with a suitable mould remover.
  2. Fill any cracks or holes with a paintable filler. Allow to dry, and sand to a smooth finish.
  3. Apply 1 coat of Aalto Tradeline Easy Sand Sealer Undercoat and allow to dry
  4. Sand the surface and thoroughly dust off
  5. Apply 2 coats of selected finish coat

For more detailed application details, please refer to product data sheet.

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