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Painting stone, brick and render

Painting stone, brickwork and rendering is usually to apply a decorative colour, the actual close-up finish does not normally need to be 'smooth as silk'; by the nature of the surface this is usually impractical.

The following apply to sound, dust free surfaces - if the surface is powdery or excessively dusty, the application of a stabilising solution to 'seal' the surface is recommended.

New stone or brick
Cement paint
  1. Clean surface with stiff brush.
  2. Cement paints normally incorporate a fungicide so no further treatment is normally required.

Two coats of cement paint.
Emulsion paint
  1. Clean surface with stiff brush.
  2. You may wish to treat the surface with a fungicide if the emulsion paint does not contain it.
  3. Apply thinned emulsion (1 part paint to 3 parts water).

Two coats of emulsion.
Gloss paint
  1. Clean surface with stiff brush.
  2. Apply sealer.

Two undercoats to cover a dark colour with a lighter one.

One gloss coat.

Painted stone or brick
Cement paint
  1. Wash off old paint and allow to dry.
  2. Wire-brush off loose material.
  3. Repoint as necessary.

Two coats of cement paint.

Emulsion paint
  1. Scrape or wire-brush flaking paint.
  2. Repoint if necessary.
  3. Apply thinned emulsion (1 part paint to 3 parts water).

Two coats of exterior type emulsion.

Gloss paint
  1. Scrape or wire-brush flaking paint.
  2. Repoint if necessary.
  3. Apply thinned emulsion (1 part paint to 3 parts water).

Two undercoats to cover a dark colour with a lighter one.

One gloss coat.

Rendering

Cement paint and emulsion
  1. Wash off old paint Two coats of paint. Use stippling brush.
  2. Brush with dampened soft brush.

Two coats of paint.

Gloss paint
  1. Wash off.
  2. Use special sealer on new surfaces and damaged old paintwork.

One or two undercoats.

One gloss coat.