Concrete roof with Aquasmart-PU-2K

Concrete roof with Aquasmart-PU-2K

1st Coat is Primer

Primer can be PU based or Epoxy based.

A. PU based
For PU based there are 2 main options: MICROSEALER-50 (next day primer), GEODESMO-50 (same day primer)
MICROSEALER-50: It has very extent application scopes: Concrete (even damp or humid), non-porous and/or glossy surfaces like old tiles, glass, marble, metals and wood. We recommend this primer for application over asphaltic membranes too. Several customers, who want to keep in stock one primer only, they use this material. MICROSEALER-50 is very “user friendly”. It can be easily applied even by non-experienced people. It is a low viscosity and good penetrating primer. It is also very elastic.
You choose this primer when your concrete surface is very porous and unsound. So, MICROSEALER-50 will penetrate in deep the surface, will seal and stabilize it.
MICROEALER-50 is also very elastic primer. It elongation property is >300%. So, you can apply it over elastic surfaces like existing PU or acrylic membranes.
There is also MICROSEALER-PU which is 100% solid version of the same primer and allows the applicator to “play” with the solvent percentage he puts depending on substrate’s porosity…

GEODESMO-50 has, more or less the same application scopes as MICROSEALER-50 but it has a very fast curing profile. 2-3 hours after this primer application you can apply the main membrane. Although the material has such a fast curing profile it has a good memory also. Application over it is possible event the next day and up to 48 hours. Be careful, this open application window it is if there is no any rain in between… if it rains you maybe need to reply one coat…

B. Epoxy Based
AQUASMART-DUR: The unique characteristics which distinguish this primer from the other are the following:
It is highly effective humidity barrier. So, it is ideal for applications subject to negative pressure/ rising humidity. When it is used as a negative pressure humidity/ vapor barrier its total consumption should be at 0.5kg/m2 in 2-3 sequel coats.
It is non-flammable and zero VOC.
You choose this primer to apply over strong and sound concrete in order to increase adhesion and to close any Ω holes.
AQUASMART-DUR is also an easy applicable (water-based) solution for application over iron, galvanized steel, aluminum, concrete, screeds and wood.

Main Coat is AQUASMART-PU-2K

AQUASMART-PU-2K PU is a two component, water based, aliphatic coating with exceptional performance in a multitude of applications. Apart from the water, chemical and UV resistance the material also displays exceptional ease of application. Due to the thixotropic nature it is easily applied on any surface no matter how complex.

Thanks to each fully aliphatic composition it does not need any topcoat as per color protection.

AQUASMART-PU-2K has passed the ETAG 005 tests for 25 years expected working life and achieved the CE mark with only 1.5mm total thickness with the best possible performance: TL4, TH4 and P4.

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Alchimica Building Chemicals Ltd

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