How-to Guides

How to paint previously painted walls

INTERIOR WALLS

  • What do you need?
  • Suitable roller and tray
  • 67-100mm good quality brush
  • Extension pole
  • External Crack filler / Waterproofing Filler
  • Turpentine to clean brushes used for solvent based primers.
  • Hydrowash Antifungal – Spread Rate of 12m2 per litre
  • Dekro Masonry Primer – Spread Rate of 5-6m2 per litre depending on porosity of surface.
  • Dekroseal Waterbased Primer – Spread Rate of 5-6m2 per litre depending on porosity of surface.
  • Dekro Super Acrylic – Spread Rate of 8m2 per litre per coat
  • Dekro Hydrosilk – Spread Rate of 9m2 per litre per coat
  •  Preparation

1.

Apply one coat of Dekro Masonry Primer / Dekroseal water based primer to all cut out cracks and imperfections and allow drying for ± 8 hours.

2.

Fill all cracks and imperfections with a suitable filler, and sand smooth when dry.

3.

Feather all edges by sanding with suitable sandpaper and dust off.

Apply a single coat of Dekro Masonry Primer to all filled areas.

  •  Application

4.

Apply one coat of a Universal Undercoat to all areas previously coated with enamel coatings or where a dark colour requires to be over-coated and allow to dry for ± 12 hours.

5.

Apply two coats of your preferred Dekro Acrylic coating and allow 4 -6 hours drying time in-between coats.

If your walls are smooth, reckon on covering 8-10 square metres with a litre of matt or satin sheen paint. Always check the coverage information on the data sheet as different types of paint have different spreading capacities. Dekro Paints can give expert advice on colour schemes and what types of paint to use.We can also save you money by calculating quantities. Tell us the measurements of the areas you want to cover, the types of surfaces and their condition. All this information will make calculations a lot easier.

Always purchase more paint than you require as colour differences may occur when using different batches of paint.  

Good Advice

Top qualit y paints not only give you easier and better coverage but are longer lasting and easier to clean tan low grade paints. Budget for the best – it pays in the long run.

Safety

Always keep tools and materials away from children. Read the instructions before beginning your project.

Products

Dekro Hydrosilk

Dekro Hydrosilk is an adhesion promoted plastic satin finish pure acrylic coating. Dekro Hydrosilk has outstanding interior/exterior durability and is stain and scrub resistant.
Acrylic

Dekro Super Acrylic

Dekro Super Acrylic is a high quality, washable, matt pure acrylic which dries to a smooth matt finish. Regarded as the most popular grade of emulsion paint. Dekro Super Acrylic may also be applied to metal and wooden surfaces, provided these surfaces have been primed with an appropriate primer.
Acrylic | Concrete | Metal | Plaster | Wood

Dekro Masonry Primer

Dekro Plaster and Masonry Primer is a solvent based alkali resistant primer and sealer for use on new plaster, cretestone, fibre cement and alkaline surfaces.
Masonry | Primer

EXTERIOR WALLS

  • What do you need?
  • Suitable roller and tray
  • 67-100mm good quality brush
  • Extension pole
  • External Crack filler / Waterproofing Filler
  • Turpentine to clean brushes used for solvent based primers.
  • Hydrowash Antifungal – Spread Rate of 12m2 per litre
  • Dekro Masonry Primer – Spread Rate of 5-6m2 per litre depending on porosity of surface.
  • Dekroseal Waterbased Primer – Spread Rate of 5-6m2 per litre depending on porosity of surface.
  • Dekro Super Acrylic – Spread Rate of 8m2 per litre per coat
  • Dekro Hydrosilk – Spread Rate of 9m2 per litre per coat
  •  Preparation

1.

Apply one coat of Dekro Masonry Primer / Dekroseal water based primer to all cut out cracks and imperfections and allow drying for ± 8 hours.

2.

Fill all cracks and imperfections with a suitable filler, and sand smooth when dry.

3.

Feather all edges by sanding with suitable sandpaper and dust off.

Apply a single coat of Dekro Masonry Primer to all filled areas.

  •  Application

4.

Apply a waterproofing coating to areas where barriers from water ingress is required. Flexible top coats will bridge hairline cracks and crazed plaster.

5.

Apply two coats of your preferred Dekro Acrylic coating and allow 4 -6 hours drying time in-between coats.

If your walls are smooth, reckon on covering 8-10 square metres with a litre of matt or satin sheen paint. Always check the coverage information on the data sheet as different types of paint have different spreading capacities. Dekro Paints can give expert advice on colour schemes and what types of paint to use.We can also save you money by calculating quantities. Tell us the measurements of the areas you want to cover, the types of surfaces and their condition. All this information will make calculations a lot easier.

Always purchase more paint than you require as colour differences may occur when using different batches of paint.  

Good Advice

Top qualit y paints not only give you easier and better coverage but are longer lasting and easier to clean tan low grade paints. Budget for the best – it pays in the long run.

Safety

Always keep tools and materials away from children. Read the instructions before beginning your project.

Products

Dekro Super Fibretex

Acrylic co-polymer emulsion. Super Fibretex is specially formulated with cellulose fibres to give a slight textured appearance and bridge hairline cracks without being too rough.

Dekro Hydrosilk

Dekro Hydrosilk is an adhesion promoted plastic satin finish pure acrylic coating. Dekro Hydrosilk has outstanding interior/exterior durability and is stain and scrub resistant.
Acrylic

Dekro Masonry Primer

Dekro Plaster and Masonry Primer is a solvent based alkali resistant primer and sealer for use on new plaster, cretestone, fibre cement and alkaline surfaces.
Masonry | Primer
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