Restoration plaster as a remedy for damp walls

Restoration plaster is today a true high-tech product. It is considered to be water-repellent and yet permeable, ie moisture-regulating. The aid can be used very well for the renovation of damp walls and thus prevents extensive damage in the masonry.

Restoration plaster and its most important properties

Many buildings or their walls present the inhabitants with a real problem over time. The water vapor from the room air settles in the form of condensation on the dense building material. This condition of persistent moisture can over time lead to major structural damage. However, there are materials that are able to absorb moisture and gradually release it to the air. These building materials regulate the indoor climate, they are called permeable. Restoration plaster is such a building material. It is used to prevent a so-called vapor pressure gradient between the inside and the outside of a house. It offers the following advantages:

  • The materials are moisture-regulating.
  • Restoration plaster can also absorb harmful salts.
  • It is a durable solution.
  • The materials are easy to process.

Restoration plaster is not a panacea

You should, however, note that renovation plaster does not seal the wall. A suitable sealing of the wall must be done in any case in the form of a so-called barrier plaster or using special plates or sheets. You process the restoration plaster either in one or two layers. The single-layer processing comes into question for substrates already provided with sealing slurries. A two-layer processing is necessary if the restoration plaster is to be applied both externally and internally directly on the masonry. It is important, however, to thoroughly remove the old plaster before.

Instructions for processing

Before applying the restoration plaster, the underlying primer should dry for at least one to two days. If the restoration plaster has been applied in the second coat, it is smoothed with a float. After a certain drying time, the wall can be provided with paint. When properly processed, the result is a wall surface that is regulated in its moisture and effectively prevents damage caused by trapped moisture. However, we should note that working alone with restoration plaster does not eliminate the cause of the fluoroscopy. So you should definitely look for and eliminate the causes that make the walls soaking wet.

Product Image: kangwan nirach / Shutterstock

Video Board: How To Repair Rising Damp In A Wall.