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Building Materials

August 12, 2017 18:08

How to dissolve the lime for whitewashing cellar , walls and ceiling .

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lime bleaching powder - learning product

Lime - a collective name roasting food, as well as the subsequent processing of chalk, limestone and other carbonate rocks.Often quicklime (Ca (OH) 2), quicklime (CaO) and soda (mixture of Ca (OH) 2 with NaOH).

Our ancestors did not knowingly use lime as whitewash, this material has disinfectant properties, which makes it impossible for the emergence of mold and mildew on the finished surface.Until now, almost every one of us is faced with this kind of whitewash in their own entrances.

Whitewashing with lime walls in public places allows as long as possible not to carry out repeated repair, becauseThis whitewash in the drying process forms a special film that is resistant to abrasion.

In addition, lime whitewash the ceiling in the baths, bathrooms, swimming pools and showers will protect it from moisture, becauseThis material has good moisture resistance and durability.Lime coating is also used in the decoration of closets, basements, garages, etc.The main factor influencing the choice of this material is its low cost and environmentally friendly compared to other peers.

By disadvantages of this coating is the possibility of the appearance of stripes, spots, streaks and bubbles using a solution composed without complying with the necessary proportions.If cooked lime bleaching powder liquid enough, the color of the painted surface is unsaturated, and if the composition will be oversaturated, the coating dries will bubble and fall off.

addition, the properties of the coating and affect the quality of the original lime.The disadvantages and relates causticity of the material.Therefore, by applying the composition to the surface to be extremely careful, and preferably, before dissolve lime for whitewashing, dressed in old clothes and protect face and hands with gloves and a respirator, his eyes hidden behind special glasses.

How lime - choose approach

Before you decide how to lime whitewash the ceiling and at the same time how to make lime for whitewashing, you need to properly prepare the ground for the application of such a coating.To handle substrate must be sound and clean.Unacceptable applying the coating on the surface of a rust efflorescence, as well as bituminous and greasy stains.

If there are cracks on the basis of their need to embroider, primed, then proshpaklevat and make amends.Old whitewash brush to clean off.The entire surface of the plaster and progruntuem.Immediately prior to whitewash carefully close the battery casings, baseboards and flooring.All sockets and switches are sealed with tape.

For the application, you can use a brush, roller, spray gun, as well as a regular vacuum cleaner.Application of this whitewash brush - the most simple and cheap way.Usually it is used when it is necessary to treat the surface of small lime.

is necessary to note that the layer quality will largely depend on the state primaries brushes.Desirably, before the lime, brush soak in water for a few hours, to prevent the appearance of brush hairs on the treated surface.

If the surface is large enough, then a more viable option is to use a special spray.Such dispenser should be kept at a distance of about 30 cm and at right angles to the lime consumption if whitewash was minimal.

As an atomizer can be used and the usual vacuum cleaner.Necessary equipment usually included in the packaging of the device.

How to dissolve lime for whitewashing - it's pretty simple

Often novice handyman do not know, how to dissolve the lime in the correct proportions to obtain maximum results.Experts advise on every 2.5 m² of surface to be treated, to take 0.5 kg of lime and 0.75 liters of water.

To make whitewashing additional resistance can be added in the third of a tablespoon of linseed oil, and about 5 grams of salt.The entire solution was thoroughly mixed and filtered through a sieve to remove lumps and grains of impurities.

To make whitewashing light bluish tint, which will be beneficial to look at the ceiling with natural light, can be added to the resulting mixture was 20 g of conventional blueprints.

Before surface treatment is necessary to moisten the quality framework.Apply this whitewashing usually in two layers.The second layer, experts recommend to put on a slightly more humid the previous one, becauseThis provides a greater strength.

For the finishing is better to choose a cloudy day or evening, becauseLime does not like dry roasting time, as well as direct sunlight.

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