How to seal against ground moisture and increased residual moisture in cementitious substrates?

With UZIN PE 460.

Long waiting times through moist substrates and the associated high drying costs present a problem especially with tight deadlines. The 2-component epoxy moisture barrier UZIN PE 460 is ideally suited not only for priming and reinforcing but also especially for sealing cementitious substrates to an max. residual moisture value of 6 – 7 CM-%.

The application safely seals very high moisture contents in concrete floors or cementitious screeds. Combined with the super-fast primer UZIN PE 280, a surface is created which presents an optimal bond to the subsequent levelling compound layer.

Step 1: Open the big resin container (component A) and fully pour the hardener liquid (component B) into the resin container. Mix both components with a drill and stirring attachment without streaks.

Step 2: Now pour this mix into another clean, empty container and mix once more.

Step 3: Apply Uzin PE 460 immediately and uniformly with a B2 notch size (min. 500 g/m²). Now roll over again with the UZIN nylon fibre roller. The UZIN Epoxy Accelerator can be added to UZIN PE 460 to accelerate hardening and thus the continuation of work. Please observe the corresponding product data sheets.

Step 4: Apply the Super-Fast Primer UZIN PE 280 onto the fully dried layer of UZIN PE 460 to create a rough surface. Apply the primer with a short-nap lamb skin roller or, alternatively, with UZIN nylon fibre roller uniformly, thin and over the whole substrate. Because of the quick drying of UZIN PE 280, the surface can be levelled already after approx. 45 minutes.

Step 5: Mix any levelling compound of our product range with clear cold water. Use a powerful electrical hand mixer, e.g. the agitator Power X 1300 from WOLFF with the UZIN levelling compound stirrer, for mixing.

Step 6: Apply the UZIN levelling compound to the prepared surface. The raking method (notch size R2) can be used as an alternative to levelling. The screed rake from the UZIN product range is recommended for this purpose.

UZIN PE 460 2-Component Epoxy Primer-Sealer

Low-odour epoxy resin primer used as a moisture barrier up to 5 CM% on cement screeds or concrete. Also for strengthening porous or weak substrates or for creating reactive resin mortars in combination with special filler UZIN XS 3.2.

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How to seal against ground moisture and increased residual moisture in cementitious substrates?

With UZIN PE 460.

UZIN PE 460 2-Component Epoxy Primer-Sealer