Clean saltpetre essential for healthy walls

Clean saltpetre essential for healthy walls

Saltpetre is formed by the waste emitted by bacteria that feed on decomposed by moisture contained in some walls materials. The presence of saltpetre is manifested by the existence of damage in the form of plates. The formation of saltpetre is subject to a number of conditions such as poor drainage of the house, the length of the walls etc … Cleaning mildew on the wall must be followed by an anti- mildew treatment to prevent its re- emergence .

Saltpeter is a layer formed by the accumulation of minerals including nitrate salts on the walls of poorly ventilated spaces and the lower parts of damp walls . These may be ripe brick , plaster, concrete, cement or gypsum .

How to form saltpeter ?

Saltpetre is formed by contacting the bacteria and ammonia groundwater with potassium carbonate to form the masonry potassium nitrate in the presence of oxygen. These groundwater discharges by capillaries along the walls . Saltpeter is recognized by the formation of deposits in the form of white crystals and efflorescence . The presence of saltpeter reflects an unhealthy environment which may affect the health , especially for children who have respiratory problems.

How to clean the mildew ?

The preliminary step consists in rubbing the wall with a hard brush followed by cleaning with hot water having incorporated therein a detergent. The detergent is recommended soap flake form and you then proceed then rinsing with clean water ensuring well remove all traces of dirt. Protective treatment of the wall to prevent the re-formation of saltpetre is obtained by mixing 1/3 turpentine with 2/3 linseed oil . The display of the product is in multiple layers making sure to spread them evenly .

How to prevent the formation of mildew ?

The idea is to eradicate the cause to treat the effects because it is impossible to avoid the re-formation after cleaning without taking preventive measures. To this end, the use of a specialist to identify the source of moisture is essential to determine the exact conditions that favored their appearance. Professional and offers an effective anti- mildew solution based on its diagnosis. There are treatments that preserve the materials degradation is linked to frost and weather using a special product that is packaged in bottles of 0.75 liters and 2.5 liters. This product has several properties including sanitation and hardening of the plaster , leaving the surface to breathe . For an intensive treatment , conditioning in a 20 liter is the most appropriate. This product has several roles to prevent the formation of mildew . First, its reaction with moisture in the wall blocks infiltration. Salts are naturally present in the wall are dissolved forming whitish traces that emerge in the air. The germs that cause the formation of nitrate were destroyed by the bactericidal agents . The anti – mildew is applied with a brush or from bottom to top with a spray by saturating the material. Dilution with white spirit promotes impregnation in a less porous surface smoothness how cement and concrete. Walls treated with this product may be covered with wallpaper or paint safely.

Some tips to have a wall free of saltpeter

Saltpeter installed on a brick wall is cleaned using a mixture of warm water with detergent saint- marc . Its micro- porous structure gradually dries damp walls. As a precaution, the use of an anti- mildew product allows you to stop the capillary rise of moisture in depth and has the advantage of being applicable even on wet ground . So it can be used on both gypsum as cement . Parts of the wall are more infected treated more intensively to avoid infection of the neighboring parts . This treatment also offers the advantage of improving the resistance of materials to cover the wall like wallpaper and paints.