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Chemical barrier against rising damp


Therechemical barrieris one of the strategies born to fight the problems ofrising humidity. Therechemical barrier it creates an impermeable layer in the wall thanks to which the phenomenon ofcapillary rising of humidity.

Therechemical barrierpenetrates the capillarity of the masonry of any composition, so it can be the appropriate remedy to eliminate moisture and the mold on the walls of stone, brick, mixed masonry, tuff, concrete or hollow brick. Once the material has penetrated into the aurochs, it spreads and distributes uniformly, giving rise to a polymerization reaction that cannot be altered over time (this is why it is calledchemical barrier).

Therechemical barriercan be performed with eitherpre-dosed bagsor by means of gel sleeves.

Chemical barrier with bag DIY kit

It is possible to try your hand at ado it yourself treatmentthanks to the various kits on the market; for example, the one visible in the photos on this page is the kitDIY chemical barrierof the systemPeter Cox which involves a slow and progressive diffusion of the waterproofing material. The kit in question consists of:

  • Formulated to be activated by adding water
  • 2 liter graduated containers withclampto adjust the infusion
  • T-connectors for connection
  • Neoprene diffuser caps
  • Neoprene diffuser tube

The kitDIY chemical barrierit's simple to use. The main stages of making achemical barrierinclude the drilling phase (the holes must be drilled at a height of 20 cm from the ground but the indications may vary according to the manufacturer's provisions), the insertion of the transfuser (the neoprene tube to be inserted into the holes drill) and the infusion of the formulation (the connection with the bags containing the drip-like product).

In combination with achemical barrier against rising dampit might be advisable to perform a dehumidifying and insulating plaster; this type of plaster (it helps to dehumidify and insulates) is used to better insulate the masonry and is recommended in the presence ofhumidityor molds. At the same time it dehumidifies the masonry and acts as a thermo plaster partially insulating the house.

DIY chemical barrier with gel sleeves

Also for thechemical barrierswith gel treatment to be injected with sleeves (guns similar to those of silicone sealant) there are DIY kits. Even with gel sleeves it is necessary to drill the walls: the line of holes must almost pass through the foot of the masonry. The gel compound that will create thechemical barrier against humidity it must be injected under pressure and introduced into the holes in the wall to propagate inside. Some manufacturers require you to repeat the process several times 12 - 24 - 36 hours apart.

What are the advantages of the chemical barrier against rising damp?

Therechemical barrieris the fastest and easiest way to waterproof a wall and definitively solve the problem of rising damp. The advantages of thechemical barrier against rising humidityI'm:
-The treatment is fast and can be done independently.
- The materials used are relatively low environmental impact
-No material dispersion
-Possible applications even in tight spaces
-The treatment is versatile and can be done on any type of wall

To read the opinion of an expert we also recommend our article: Rising humidity: how to eliminate it forever

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Video: Do you know why some dampproofing holes in the brick and some in the masonry joints? (October 2021).