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Instructions: Seal with mineral sealing slurries walls and floors

apply Grout

With sealing slurries, also called Abdichtschlämmen be surfaces of buildings, such as basements, walls and floors, sealed against water penetration, this can be done proactively or retroactively.

This sludge is applied in layers to the affected area. The amount required depends on the moisture in each room.

Humid areas, especially in the basement are usually due to water penetration. The visible consequences are mildew, fungi, wet walls and standing water in the cellar. The lasting moisture leads to permanent structural damage and harmful climate.

The cause is usually in a insufficient sealing of the masonry against ground moisture, seepage, slope layers and dams, groundwater and flood. However, damage can also be caused by a high humidity inside, as in swimming pools and in damp conditions. To avoid permanent damage, the masonry must be adequately sealed from accumulating and non-accumulating water.

Contents: Apply Grout

  • Mineral sealing sludge as a breathable water barrier
  • Preparing the ground
  • Apply waterproof coatings on walls and floors
  • Baupfusch with sealing slurries

Mineral sealing sludge as a breathable water barrier

Mineral sealing slurries are both indoor and outdoor use and are suitable for Concrete, cement plaster and flush-jointed masonry.

They are hydraulic setting, ie in contact with water they will be after the application to a water-repellent (but permeable to water vapor) and breathable layer. They consist of different cements, minerals and other additives. Because they possess a high adhesion and strength, but are easy to process.

By a special plastic coating the material in the set state remains permanently flexible and frost in increased dimensions and weather resistant. Finally Dichtschlämme be both preventative for protection against moisture and subsequently used for the rehabilitation of masonry.

Preparing the ground

To seal the floor or the wall safe, the substrate must be prepared first. Consequently, paints and old plaster must be removed and cracks and other damage to be repaired in the masonry.
A thorough mechanical cleaning can be effected by means of a wire brush, a brush or a high pressure or sand blasting device.

Existing holes or cracks should be filled with repair mortar and seal. The same goes for brittle masonry joints. Dry and very absorbent substrates must be moistened before sealing.

apply GroutStep 1: Apply Dichtschlämme with ceiling brush against the wallapply GroutStep 2: smooth layer with a trowelapply Groutspread sludge on the soil: Step 3apply GroutStep 4: smooth with a trowel

Apply waterproof coatings on walls and floors

After pretreatment of the substrate, the sealing can begin. For this work you need the following materials and tools:

  • Abdichtungsschlämme in powder form
  • Drill with mixer
  • A bucket of water
  • ceiling brush
  • trowel

First, stir the powder - according to the packaging specifications - in water and mix it for so long with a mixer attachment for drill until a lump-free, smooth mass is obtained: the actual sealing mud. This is in at least two or three thin and uniform layers applied for. B. with a ceiling brush, a wall brush or a trowel.

must be sealed, the entire room, begin on the walls and carry the sludge at the end on the floor (picture no. 3). Then flatten it with the trowel (picture no. 4).

The transitions between wall and floor, you should be in a fillet emphasize d. H. they carry slurry in the edge and flatten them out round. This way, you prevent moisture from penetrating to this difficult place.

After application, the sealing compound must be protected for about three days away from direct sunlight, drafts, rain and frost. If the material is fully cured in the outer region to the complete isolation of a bituminous sealing compound can be applied.

Important: Quality Dichtschlämme are relatively expensive, one should therefore be well advised before buying. Especially with mineral sealing slurries, the individual layers must very thin are applied, they are too thick, the sealing mud dissolves after a few months or years down again.

Baupfusch with sealing slurries

apply GroutUngründlich applied and thus ineffective: Dichtschlämme as splash protection outdoors

As it stands, if Dichtschlämme were applied ungründlich or tear, these images illustrate. Leaking Dichtschlämme are ineffective and the moisture can penetrate unhindered into the facade. The capillary forces of the building materials used and the hygroscopic effect of salts present in the masonry play a role.

In the splash zone of the facade base at least a height of 15 to 30 cm should always be peripherally protected with sealing slurries. In areas of high rainfall burden significantly higher protective layer can be useful. If after heavy snow employing thaw, also areas above the minimum height of 15 to 30 cm are frequently exposed to moisture.

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