NEOPROOF POLYUREA C1 polyurea waterproofing for roof, terrace or balcony

Neoproof Polyurea C1 is a two-component, extremely durable polyurea waterproofing membrane for cold application with a brush, roller, or airless spray. Thanks to its special formula, it can be applied in a single layer (on smooth substrates such as concrete or steel). Suitable for use as waterproofing on roofs, balconies, and terraces where mechanical resistance and excellent waterproofing properties are required. It creates a smooth (bubble-free), moisture-impermeable polyurea insulation, exhibiting zero water absorption and resistance to mechanical damage. This liquid waterproofing coating, based on aliphatic resins, is fully UV-resistant and requires no additional topcoats. Rain can fall on the coating within two hours of application, making the product suitable for use in unpredictable weather conditions.

Neoproof Polyurea C1 polyurea insulation - applications

The product can be applied to a variety of substrates using the appropriate primer 

• Concrete surfaces (balconies, terraces, flat or sloped roofs)
• Roofs covered with sheet metal (steel, galvanized, aluminum, coated, previously painted with other paints)
• As a protective layer for PUR foam or aromatic polyureas applied "hot" against UV radiation
• Old elastomeric coatings
• Wood
• PVC membranes

Neoproof Polyurea C1 polyurea insulation - properties

• Prevents moisture absorption, ensuring a complete seal
• It has the CE mark for concrete protection
• High resistance to bending and stretching
• Very high mechanical resistance
• UV resistance, based on aliphatic resins
• Excellent adhesion to a variety of building materials
• Creates a blister-free coating. No pinholes or bubbles appear on the coating as it dries
• Dries and hardens quickly
• Long shelf life of the mixture
• Bridges hairline cracks
• Easy to apply – can be applied by roller, brush, or high-pressure spray. Unlike hot-applied polyurea, it does not require the use of a special unit
• Long-term protection against water - waterproofing
• The perfect solution for securing roofs, terraces and balconies subject to pedestrian traffic
• Remains flexible in the temperature range from -35°C to +80°C

System primers depending on the substrate to which Neoproof Polyurea C1 will be applied

Primers should be used in accordance with their technical data sheets.

Roofing felt – not recommended for use on roofing felt (requires application of 1.5 kg/m² of product in two layers). Ideal for application on surfaces with an even/uniform structure.

Concrete/cementitious substrates: Acqua Primer NP - base primer, however, due to its water-soluble nature, it requires favorable weather conditions. Max. permissible substrate moisture content: 8%. Recoating time: 24 hours. Epoxol Primer – in unfavorable weather conditions (high humidity, low temperature), we recommend using a solvent-based epoxy primer. Max. permissible substrate moisture content: 4%. Recoating time: 24 hours. Neodur Fast Track PR - for projects where time is of the essence and must be completed quickly. Max. permissible substrate moisture content: 4%. Recoating time: 2 hours. Neopox Primer WS - fresh concrete (minimum 2 weeks) or damp from rainfall, washing, etc. (moisture comes from the outside, not the ground), there is no time for the substrate to dry. Max. permissible substrate moisture content: <100%. Time to repaint: 24 hours Neopox Primer AY - if there is a problem with capillary moisture rising from the ground (e.g. terrace on ground with poorly executed or no insulation). Maximum permissible substrate moisture: 10-12%. Time to repaint: 24 hours

Black steel - Neopox Primer 815. Neodur Metalforce rust remover 24 hours before priming .

Steel or other metal already painted, for example with polyurethane or polyvinyl paint Neodur Metalforce rust remover 24 hours before priming .

Steel factory-coated with a polyester coating – the surface should be roughened and washed with high-pressure water. After drying, prime with Neopox Primer 815. Neodur Metalforce rust remover for 24 hours before priming .

Galvanized steel, aluminum - Neotex Inox Primer Neodur Metalforce rust remover 24 hours before priming .

New, closed-cell PUR foam in good condition should be applied directly, without primer, in one thick layer. The foam should have a relatively even surface to prevent the Neoproof Polyurea from flowing into the grooves, as this will cause localized bubbles (the solvent will try to escape). If there are shiny areas on the foam, they should be matted and treated with Acqua Primer NP , as well as any areas with open pores.

PUR foam, old in poor condition, open cells - Acqua Primer NP .

Old elastomeric coatings/membranes, such as Neoroof and Neoproof PU W-40 - thoroughly wash with water under pressure, dry and apply Neoproof Polyurea directly.

Wood – the wooden structure must be rigid and not bend excessively. Use Epoxol Primer . If the wood is highly absorbent, additional priming may be necessary (after the first priming, the wood will absorb everything and will remain dull or unevenly glossy).

PVC membranes - wash the substrate with THF, MEK, or Neotex 1021 (in this order, from most effective to slowest). After slightly dissolving the membrane, apply Neoproof Polyurea directly to the slightly sticky PVC membrane.

Hot-applied aromatic polyurea - Relatively new, in good condition - buff to remove shine, remove dust after buffing, and apply directly. Older, chalky surfaces - pressure-wash to remove chalking residue, then apply directly. Coated with a polyurethane membrane for UV protection - pressure-wash and apply directly.

Waterproofing a flat roof insulated with PUR foam:

Comparison of liquid waterproofing coatings in the Trokentech offer