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White Wash

White Wash
August 06
04:48 2014
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White Wash

Whitewash revitalizes the sheen and texture of Walls in the house. The white colour makes the room appears large and maximizes absorption of the heat. It reduces odours and provides sanitary conditions in diaries, barns, poultry houses, stables, kennels or similar buildings. This article gives you tips on surface preparation, mixing solution and application method of whitewash.

Where to apply whitewash

Whitewash can be applied on plaster, brick, Cement concrete surfaces and woods.

Prepare the surface

Cleaning the walls first will help to ensure an even finish. You might need to use more than one type of cleaner if you have grease as well as dirt. It is very important to clean well or you will have splotchy areas where there is dirt. If cleaning concrete walls, use a wire cleaning brush for really tough areas but do not chip away the concrete.

  • Clean the surface: The surface must be cleaned of mortar droppings. Smoke particles and grease spots on old surfaces should be cleaned thoroughly.
  • Remove dirt, dust and mold growth: All growth of moss, moulds should be removed from the surface. All loose scales, dirt and dust should be removed also.
  • Repair the patches: The holes in patches and plaster should be filled with mortar. Let the surface dry for at least 48 hours before doing whitewash.

Prepare the Whitewash solution

Whitewash whitewash White Wash Whitewash

Whitewash

  • Mix appropriate amount of lime and water: Mix fat lime, 1 kg un-slaked (powder) lime into about 5 litres of water to make a thin cream. Let the thin cream stay for a period of 24 hours.
  • Add Indigo to the solution for brightness: Screen thin cream through a clean cloth. Mix 40 grams gum into hot water for ten litres of whitewash. Add and mix Indigo (neel) up to 3 gram per kg of lime dissolved into the water.

Apply whitewash thoroughly

  • Apply solution properly: The whitewash should be applied with brushes vertically and horizontally. Each coat should be dry before the next coat is applied.
  • Do not leave brush marks: Brush marks should not be visible after final coat. The whitewash should be done on ceiling, prior to walls.
Whitewashing whitewash White Wash Whitewashing

Whitewashing

Getting colour wash

Pigment can be changed by adding colours to the mixture. Each change in the mixture should be tested, however, before applied to a whole wall. Pigments change when they become completely dry; if you do not test the area first you may have unexpected and undesirable results.

  • Apply two coats of whitewash before doing colour wash for a new shade on old surface.
  • Prepare required shade of colour wash by adding pigments.
  • Do not apply any primary coat since it is not required on old surface.
  • Keep smooth and uniform finish on the surface.

Points to Remember before doing whitewash

  • Use putty for small patches: Putty should be used for small unevenness in walls since it does not require any curing. Cement mortar should be used for big depressions.
  • Mix DDL or Fevicol for adhesion: DDL, SDL, or Fevicol should be mixed into whitewash to increase adhesion. Sometimes soap and common salt should be used in whitewash to increase adhesion.
  • Apply Indigo for brightness: Add Indigo into whitewash to increase brightness and whiteness on surfaces. Lime fast pigments can be added to whitewash to provide broad range of colours.

Benefits of whitewash

  • Kills germs as it is alkaline in nature.
  • Acts as a primer for dry distemper.
  • Brightens walls because the light is reflected from white surface.
  • Absorbs heat and maximizes the space giving matchless whiteness.

Important things

  • Do whitewashing on new after six months of the completion of wall plaster.

  • Protect doors, Windows, floors, articles of furniture etc. and other parts of building from splashes.

  • Remove splashes and droppings immediately after doing whitewash. Use a cloth (Dhoti) for cleaning in painting work.

  • Do whitewash on roof tiles to prevent absorption of heat in hot climate reason.

  • Apply whitewash on stems of trees to protect them from frost damage.

  • Lime can eat away at your skin, so it is a good idea to wear gloves and protect your hands.

Whitewashing your walls is a great way to bring character to your home. Once you start the project you might even decide to paint another area and liven up your entire home. Just be sure to be conscious of the different bases you chose, and how they may appear different on different surfaces.

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