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ARDEX WA 98

Solvent-based roofing contact adhesive for ARDEX Butynol waterproofing systems

ARDEX WA 98 is a high performance roofing contact adhesive. It has been specially developed for bonding butyl rubber sheeting to roofing substrates. Its convenient and economical spraying, combined with its long tack life, make it ideal for bonding large areas.
  • Overview

    Water-Based vs. Solvent-Based

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  • Description

    USES

    Specially formulated adhesive for all Butynol applications including broadspan bonding and lap jointing in non-aggressive or non-immersed condition exposure.

    FEATURES

    • Spray grade – Formulated for optimum performance for spraying.
    • Multi-purpose uses – Flooring, roofing, etc.
    • Fine glue line – Enhanced finished product appearance

    LIMITATIONS

    The solvents in ARDEX WA98 are Highly Flammable. Keep away from naked flames, electrical appliances/lights, lighted cigarettes, etc. Use only in a well ventilated area. Refer to Material Safety Data Sheet for more details. Use with adequate ventilation. Do not eat, drink or smoke while using. Store in a cool, well ventilated area and indoor temperature must be between 5ºC and 20ºC. Dispose of empty containers safely. Do not contaminate water supply

  • Performance

    Technical

    Fire

    The solvents in ARDEX WA98 are Highly Flammable. Keep away from naked flames, electrical appliances/lights, lighted cigarettes, etc.

  • Compliances and Accreditations

  • Systems & Installation

    Installation

    PREPARATION

    Surfaces to be bonded must be thoroughly clean and dry, for optimum results they should be pre-wiped with ARDEX WA98S solvent. Stir adhesive thoroughly before use. On porous surfaces a second coat of adhesive may be necessary.

    THINNING

    Thinning is unnecessary unless the adhesive has thickened due to solvent evaporation, caused by the lid being left open for long periods. Where necessary ARDEX WA98S solvent may be used for thinning to reduce viscosity and aid with flow characteristics.

    APPLICATION

    Use a brush, roller, air driven or airless spray equipment. Apply a thin, even layer of adhesive to both surfaces; brushing in short, quick strokes. Ensure that the spray pattern atomisation is pinhead size. Between 15-60 minutes, the solvent should have evaporated and the adhesive should be ‘tacky’ enough to bond the surfaces together. A useful indication is to touch the surfaces (all over) with a clean finger: if they are ‘sticky’ to the touch, without transferring to your finger, they are ready to bond together. It is imperative that no solvent is trapped between the bond. Position components accurately, as when contact is made, the bond will be immediate. Apply maximum overall instant pressure, taking care to expel any air bubbles, to ensure a complete bond. Use of a hand pressure roller, e.g. a vinyl-flooring roller, provides good direct pressure. A dry adhesive surface may be reactivated by wiping over with ARDEX WA98S solvent. An alternative method is heat reactivation to 80°C. In this case, care must be taken to ensure that all solvent has evaporated before heating.

    CLEANING

    ARDEX WA98S solvent: For cleaning equipment, brushes, rollers, etc. ARDEX WA98S solvent For removing adhesive from surfaces as it coagulates. DO NOT use to clean equipment, brushes, rollers, etc.

  • Compatible Products

  • Spec Clause

  • Projects & Installers

    No example projects listed

  • Downloads

    ARDEX WA 98

    1 mm Heat-Weldable Rubber External Undertile & Tanking Sheet Membrane

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