Kristalizirajoča hidroizolacija

 

Kje jo uporabljamo?

Kristalizirajočo hidroizolacijo običajno (a ne zgolj v teh primerih) uporabljamo kadar imamo opraviti z negativnim vodnim pritiskom. Tipičen primer negativne hidroizolacije je, ko voda pride skozi stene kleti (skozi konstrukcijo objekta) in se hidroizolacija izvaja iz notranje strani. Negativna hidroizolacija pomeni, da se hidroizolacijski sloj nanese na strani konstrukcije, ki je nasprotna strani v neposrednem kontaktu z vodo. Hidroizolacija iz negativne strani objekta je bistveno zahtevnejša kot hidroizolacija iz pozitivne strani objekta, saj voda prodira/pritiska skozi konstrukcijo objekta za hidroizolacijski material in ga poskuša "odriniti" od podlage.  

Slika: Zidovi kleti pogosto niso dostopni z zunanje strani. Takšne zidove je mogoče zatesniti/hidroizolirati samo iz notranje (negativne) strani. 

 

Zakaj mineralna kristalizirajoča hidroizolacija?

Voda, katera je prodrla skozi konstrukcijo objekta in je v kontaktu z negativno stranjo hidroizolacijskega sloja, bo vedno poskušala odriniti/razslojiti hidroizolacijski od podlage. Water pressure or salt crystals form growing capillaries and voids between the waterproofing material and the substrate. Therefore, especially an elastic coating is likely to delaminate and fail after some time. KÖSTER NB 1 has been developed to waterproof mineral substrates, like masonry and concrete, even from the negative side. The product contains agents which react with moisture and components of the substrate to form crystals which penetrate into the pores and capillaries of the substrate. KÖSTER NB 1 penetrates into the substrate, becomes an integral part of it and makes it waterproof but open to vapour diffusion. It has an expected life time just like the structure itself. KÖSTER NB 1 cannot delaminate and keeps the substrate permanently waterproof.

The picture shows a REM scan: The white areas are latent hydraulic compounds which penetrated into the pore structure of the substrate – and reacted to form a pore sealing solid body.

 

KÖSTER NB1 Sivi tesni vse vrste mineralnih gradbenih materialov kot so nov/star beton, zidaki, naravni kamen

 

In order to understand the superior technology of KÖSTER NB 1 Grey one has to understand the difference compared to standard products on the market:

The KÖSTER NB 1 waterproofing slurry has crystallizing properties but does not work with water soluble silicates, like the standard sysems available on the market. KÖSTER NB 1 Grey penetrates into capillaries and pores near to the surface in order to crystallize and form an integral bonding with the substrate. It creates a chemical and mechanical bonding. On the one hand these pores and capillaries are plugged, on the other hand they are entirely covered with a waterproof coat. This coat is visible and can be measured and checked. An immediate control of success is possible. KÖSTER NB 1 Grey contains latent hydraulic ingredients which are able to close micro cracks subsequently. These ingredients are part of the KÖSTER NB 1 coating and become active again upon contact with water. In case of normal temperatures a wetting of the slurry is not necessary. The consumption can be easily determined before application. KÖSTER NB 1 Grey can moreover be installed on very porous substrates, such as porous concrete etc. Also masonry or natural stone, which do not or only in very low amounts contain free calcium hydroxide, can be waterproofed with KÖSTER NB 1 Grey.

 

Certifikat za pitno vodo

 

Pitna voda je najstrožje regulirana potrošniška dobrina v Nemčiji. Izdelek KÖSTER NB 1 Sivi je uradno odobren in certificiran za izdelavo hidroizolacije v okoljih s pitno vodo s strani Higienskega Inštituta v Gelsenkirchnu, Nemčija in ameriške Nacionalne znanstvene fundacije (NSF).

 

 

 

 

 

 

 

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