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Parchem Fosroc Nitoproof 410

Fast Drying Flexible Water Based Cementitious Waterproofing Membrane for External (Protected) Use

$15-$18/m² (2 coats)

Coverage: 1.5 L/m² (2 coats)

Nitoproof 410 is a water based, fast drying, flexible two component, polymer modified cementitious waterproofing membrane designed for podiums, terraces, balconies, and deck areas under toppings, tiles and other protected environments. Nitoproof 410 offers excellent adhesion properties over many primed building surfaces once correctly primed and prepared.
  • Overview

    Why we like it: Fosroc Nitoproof 410 is a versatile cementitious membrane that can be used in a range of applications including in indoor, outdoor, below ground and submerged applications. It offers the advantages of a cement-based membrane whilst still being a flexible, Class 3 membrane.

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  • Description

    USES

    • Podiums, terraces, balconies, and deck areas undertoppings, tiles and other protected environments
    • Wet areas and showers - Class III Membrane System
    • Foot trafficable exposed roof top membrane, exposed balcony decks and walkways subject to regular foot traffic when overcoated with Nitoproof Top Coat UV.
    • Water tanks, water storage areas (sand / cement slurry priming with Nitobond SBR is essential when applying in submerged applications)
    • Tiled pools & water features (sand / cement slurry priming with Nitobond SBR is essential when applying in submerged applications)
    • Foundation waterproofing applications
    • Suitable for subterranean areas such as retaining walls

    FEATURES

    • Low VOC
    • Solvent free, non hazardous
    • Handles ponding and permanently wet conditions
    • Tough and flexible with excellent elongation properties
    • Compatible bonding properties for Nitotile Flex adhesive
    • Suitable for internal and external applications
    • Exhibits a high hardness
    • It is fully compatible with polymer modified cement based tiles adhesives, screeds and renders.

    LIMITATIONS:
    Do not apply Nitoproof 410 in temperatures above 35 deg C or below 5 deg C.

    Nitoproof 410 cannot be used in areas where negative hydrostatic pressure is evident.

    Application of all liquid applied membranes and primers should always refer to the surface temperature conditions before commencing and not just ambient temperatures.

    For example: ambient temperatures may be 10 deg C but the substrate could be 0 deg C and have frost issues. The same applies with higher temperatures: ambient temperature may be 26 deg C but have a substrate temperature of 36 deg C

    Nitotile Flex polymer modified cement based tile adhesive is recommended for direct adhesion to the membrane.

    Nitobond SBR is recommended within screeds and renders directly over the membrane as a waterproof and adhesion enhancer.

  • Performance

    Technical

  • Compliances and Accreditations

    Compliances

    • AS/NZS 4858:2004 Wet Area Membrane as a Class III membrane (unverified)
    • AS 3740:2010 Waterproofing of Wet Areas Within Residential Buildings (unverified)
    • AS/NZS 4020:2005 Products in Contact with Potable Water (unverified)

    Nitoproof 410 has been tested to AS 4586-2013 for slip resistance when overcoated with Nitoproof Top Coat UV and Nitoproof Top Coat EW. Refer to the relevant data sheets on those products for results.

  • Systems & Installation

    Systems

    Tiled/Paved/Concealed (UV Protected) Decks:

    Primer (concrete & masonry): Fosroc Nitoprime 120 (6-8 m2/L, 30 mins drying time @ 23°C: 50% RH)
    OR
    Primer (timber, ceramic tile, metals, plastics): Fosroc Nitoprime 115 (10-12 m2/L, 30 mins drying time @ 23°C: 50% RH)
    Bond breaker: Fosroc Nitoband Elastic Joint Band System
    1st coat: Fosroc Nitoproof 410 (0.75 mm WFT) (1-3 hours drying time until 2nd coat)
    2nd coat: Fosroc Nitoproof 410 (0.75 mm WFT) (24 hours at 25°C until touch dry)
    Tile adhesive: Fosroc Nitotile Flex

    Submerged Applications:

    Primer: Slurry coat mix of sand, cement and Nitobond SBR
    1st coat: Fosroc Nitoproof 410 (0.67 mm WFT)
    2nd coat: Fosroc Nitoproof 410 (0.67 mm WFT)
    3rd coat: Fosroc Nitoproof 410 (0.67 mm WFT)

    Coverage

    Nitoproof 410 is designed to be applied by brush, roller or suitable airless spray equipment.

    In general wet area applications, Nitoproof 410 is applied as two (2) coats with a minimum total coverage of 1.5 ltr / m2.F

    or permanently immersed conditions/applications, Nitoproof 410 is applied as a three (3) coat membrane system, with a minimum total coverage of 2.0 ltr / m².

    This system will need to be applied to a ‘slurry’ prime coat of Nitobond SBR mixed with sand and cement – see Nitobond SBR Technical Datasheet.

    Non immersed applications:

    Approximate total coverage: 1.5 L/m²
    Wet Film Thickness: 1.5 mm
    Dry Film Thickness: 1.2 mm

    Immersed applications:

    Approximate total coverage: 2 L/m²
    Wet Film Thickness: 2 mm
    Dry Film Thickness: 1.7 mm

    Installation

    Surface Preparation

    All new concrete surfaces must be allowed to cure for at least 7 days, with a moisture content <5% and have a wood float finish. Steel trowelled finished slabs must be chemically or mechanically abraded prior to commencing waterproofing.

    Rendered surfaces must be allowed to cure for at least 16 hours in normal ambient conditions prior to commencing waterproofing. Ensure all rendered surfaces have a wood float finish.

    All screw / nail heads must be sealed with Nitoseal SC100 and all sheet joints must be covered with Fosroc Nitoband Tape. See Nitoband System technical data sheet.

    Ensure all surfaces are sound, dry and free from excessive movement, oil, dust, grease, wax, curing compounds, release agents, paint and any other loose contaminants. Also remove any protrusions from the surface that may pierce the membrane.

    Priming

    Substrates must be primed, prior to the application of Nitoproof 410 membrane:Primer choice is defined by substrate requirements:

    • For porous masonry surfaces, Nitoprime 120 should be applied at approx. 7m²/L (see TDS for further details)
    • For non-porous substrates, such as CFC, wet area timber, ceramic tile, metals and plastics, Nitoprime 115 should be applied at approx. 12m²/L (see TDS for further details).
    • For submerged applications such as ponds, pools and water retaining structures, a slurry primer made of sand, cement and Nitobond SBR ‘must’ be used. Please refer to Nitobond SBR technical datasheet for use, application and mixing ratios. When applying Nitoproof 410 over this slurry, optimum adhesion results are achieved as a “wet on wet’ application.

    Damp surfaces - entrapped moisture

    Seek technical advice from Parchem.

    Cracks

    Cracks larger than 2 mm or structural shrinkage cracks must be firstly cleaned and any loose material removed then filled with Nitoseal SC100 or covered with Nitoband Tape. See Nitoband System technical data sheet.

    Nitoband Tape, Corners and Detailing Accessories

    The Nitoband System has been specifically developed by Parchem as a superior bond breaker system to traditional sealants and bond breaker tapes.

    The Nitoband System includes tape (for change of direction – such as wall/wall and wall/floor joints etc.), both 270° external and 90° internal corners, an adjustable internal Corner as well as three (3) size variations on pipe detailing squares (suitable from 6mm > 150mm pipe diameters).

    If being used in tanking and waterproofing applications, the Nitoproof 410 requires a suitable bond breaker at all substrate junctions. Parchem nominates the Nitoband System which includes tape, corners and pipe penetration detailing squares or equivalent bond breaking methods compliant with local waterproofing standards and building recommendations.

    Mixing

    Nitoproof 410 should thoroughly be mixed in equal parts by weight or the ratio of 1L Part A liquid to 0.8 L Part B dry powder.

    Add approximately half of the powder while mixing and wet out well, then add the remaining powder and wet out well.

    Scrape the sides of the pail and mixing paddle.

    Mix at higher speed, avoiding aeration, for 3 minutes.

    Cease mixing and ‘allow the mixed material to stand for 3 minutes, and then lightly re-mix’. The Nitoproof 410 is then ready to apply.

    Membrane Application

    Ensure the surface has been appropriately prepared in accordance with this TDS.

    The Nitoband System should be installed first. Mix an appropriate amount of the Nitoproof 410 waterproofing membrane that can be used within its working life as per the instructions in this TDS.

    Apply the mixed Nitoproof 410 across the substrate joins extending approximately 70mm either side of the join. Whilst the Nitoproof 410 is still in a wet state install the Nitoband tape, corners and accessories ensuring that all air voids are expelled. Nitoband Corners should be placed in first followed by the Nitoband tape.

    The Nitoband tape, corners and pipe detailing squares can be joined via a 50mm overlap, sandwiching a small amount of Nitoproof 410 liquid membrane between the overlapping faces.

    In general wet area applications Nitoproof 410 is applied as two (2) coats with a minimum total coverage of 1.5litres/m².

    For permanently immersed conditions/applications, Nitoproof 410 is applied as three (3) coats with a minimum total coverage of 2.0 litres/m².

    Each successive coat should be applied at 90 degrees to the previous coat. Allowing a drying time of 1-3 hours between coats.

    Conduct a final inspection on the surface of the membrane prior to commencing tiling to ensure no pin holes exist. A further coat may be required if imperfections or pinholes are present in the membrane.

    Once the waterproofing is completed, do not disturb the area for at least 24 hours. Tiling can commence approximately 24 hours after final Nitoproof 410 coat.

    Polymer modified cement based tile adhesives, such as Nitotile Flex are recommended for tiling application.

    Nitobond SBR used as a bonding agent is recommended for applications of cement based screeds or renders – as per TDS.

    Nitoproof 410 must be installed in accordance with AS3740.

    Curing and Protection

    Nitoproof 410 is not UV stable and must be cured for a minimum of 24 hours at 25°C before placing protection. Tiling should commence within 5 days.

    Where damage to the membrane is possible (by traffic backfilling, etc.), it should be protected by a cementitious screed or protection board such as Proofex Protection Board PP or Proofex Sheetdrain 81.

    Nitoproof 410 can be over-coated with Nitoproof Top Coat UV to make the membrane foot trafficable and UV stable.

    Cleaning

    Prior to hardening Nitoproof 410 can be cleaned from tools and equipment using water. Hardened material will need to be removed via mechanical means.

    Splashes of Nitoproof 410 on paintwork etc. should be wiped off immediately using a cloth dampened with a strong detergent solution. Brushes and brooms etc. should be soaked in a strong detergent solution immediately after application has finished. Hands and skin may be cleaned using a proprietary waterless hand cleaner, but prevention of soiling is better practice by wearing gloves and overalls.

  • Compatible Products

    Fosroc Nitotile Flex

    Rubber modified, flexible, white, cement based ceramic tile adhesive for use with Nitoproof liquid applied membrane systems

    Fosroc Nitoband

    Elastic joint band bond breaker for sealing critical movement zones in Class I, Class II and Class III areas

  • Spec Clause

    Spec Clause

    Where so designated on the drawings, surfaces shall have a low VOC, liquid applied, water based, fast drying, flexible two component, polymer modified cementitious waterproofing membrane applied. The membrane shall be Nitoproof 410. Areas shall be prepared and the membrane applied in accordance with the current Nitoproof 410 Technical Data Sheet.

    DETAILED SPECIFICATION SHEETS:

    DOWNLOAD Nitoproof 410 Detailed Specification Clause

    DOWNLOAD NATSPEC Parchem Internal Wet Areas Work Section

    DOWNLOAD NATSPEC Parchem External and Tanking Work Section

     

  • Projects & Installers

    Project Showcase

    Unspecified Plant Room

    Nitoproof 510, Nitoproof 410 and Nitoproof Topcoat UV used to provide protection to a repaired plant room concrete floor slab.

    View

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