NEO UNIVERSAL UNDERCOAT
    MULTI-PURPOSE UNDERCOAT
    PRODUCT CODE: WU00
    TECHNICAL DATA SHEET NO. 03-Primers & Undercoats
    JULY 2009

  1. Product Description

    A classic, alkyd based, general purpose undercoat, which has been especially formulated to give the best long term performance for the total system. Provides a very strong and stable base for over-coating with a wide range of NEO Paints’ water and solvent based products.
  2. Application Areas

    • Interior and exterior use.
    • As an undercoat for plaster, hardboard and fibre cement walls.
    • As an undercoat for primed metal and wooden substrates, fibre boards and hard boards.
    • Can also be used as an intermediate coat on walls to be finished with enamel paint.
    • Wooden products that are exposed to the environment should firstly be primed with NEO Pink Primer (pi00).
  3. Product Features

    • A quick drying and very smooth undercoat.
    • Excellent adhesion and hiding power.
    • Can be top coated with a wide range of NEO Paints’ water and solvent based products.
    • Fast drying and quick hardening product. Once hard and firm it can be sanded to a smooth surface before the application of the final coating, if required.
    • For interior use on wood and fibre boards, NEO Universal Undercoat serves as primer as well.
    • NEO Universal Undercoat should never be applied directly on fresh, new plaster. Since this product is not alkaline resistant it will blister and flake off. For such a purpose use NEO Acrylic Wall Primer (ap00).
  4. Product Data

    Resin Base Alkyd resin
    Drying Time Touch dry: 1-2 hours
    Hard dry: 4-6 hours
    Solid Matter by Content By volume: 45%
    By mass: 70%
    Film Thickness ± 40 microns
    Spreading Rate 7-11 square metres per litre.
    Although the spreading rate will vary with porosity and type of substrate, for uncoated new surfaces work on 7-9 square metres per litre for the first coat and 9-11 square metres per litre for subsequent coats and when applied to sealed, previously painted substrates.
    Surface Appearance Matt
  5. Application Details

    • Mixing Always stir well before use with a flat paddle.
    • Application Method Brush, roller or spray application. 
    • Thinning NEO Universal Undercoat is ready for use un-thinned; thinning with NEO Mineral Turpentine (mt00) or NEO Enamel Thinner (et01) or NEO Quick Enamel Thinner (qe00) will reduce its hiding power.
    Only for spray application dilute with NEO Enamel Thinner (et01) or NEO Quick Enamel Thinner (qe00) to approximately 25 sec. No.4 Ford cup.
    • Cleaning NEO Mineral Turpentine (mt00).
    • Application • Stir well before use.
    • NEO Universal Undercoat is ready for use un-thinned; thinning will reduce its hiding power. Only for spray application dilute with NEO Enamel Thinner (et01) or NEO Quick Enamel Thinner (qe00) to approximately 25 sec. No.4 Ford cup.
    • With brush or roller, apply a generous coat of NEO Universal Undercoat.
    • Allow to dry overnight before applying topcoat.
    • Clean up application equipment with NEO Mineral Turpentine (mt00).
    • Do not eat, drink or smoke whilst using the product.
    • Do not apply before 09:00 and after 16:00 in the winter.
    • Although the spreading rate will vary with porosity and type of substrate, for uncoated new surfaces work on 7-9 square metres per litre for the first coat and 9-11 square metres per litre for subsequent coats and when applied to sealed, previously painted substrates.
    • Do not apply exterior if it looks like rain will occur within 4-6 hours of application.
  6. Surface Preparation

    • Mild Steel (Renovation) • Affected areas need to be cleaned back to bright metal and spot primed with NEO Corroguard (cg00).
    • With brush or roller, apply a generous coat of NEO Universal Undercoat.
    • Allow to dry overnight before applying topcoat.
    • Mild Steel (New) • Degrease surfaces with NEO Metal Conditioner (mc00) to remove the manufacturer’s grease protective layer. This process is repeated until the surface is water break free.
    • After drying, the whole substrate is coated with NEO Corroguard (cg00).
    • With brush or roller, apply a generous coat of NEO Universal Undercoat.
    • Allow to dry overnight before applying topcoat.
    • Uncoated concrete surfaces
    • Raw / New Plaster
    • Precast
    • Make sure surface is dry and firm.
    • Remove all dust, foreign material, fungal and algae growth.
    • Fill and seal all visible cracks with NEO Aurora Filler (ef00) or NEO Repair Paste (nrp07).
    • Apply one coat of NEO Bonding Liquid (ig00) to cover NEO Aurora Filler (ef00) or NEO Repair Paste (nrp07).
    • Sand well and remove dust.
    • Apply one coat of NEO Acrylic Wall Primer (ap00).
    • With brush or roller, apply a generous coat of NEO Universal Undercoat.
    • Allow to dry overnight before applying topcoat.
    • Uncoated, Weathered or New Fibre Cement Surfaces • Remove dust, foreign material, fungal and algae growth.
    • If friable or powdery, seal with NEO Bonding Liquid (ig00).
    • Apply one coat of NEO Acrylic Wall Primer (ap00).
    • With brush or roller, apply a generous coat of NEO Universal Undercoat.
    • Allow to dry overnight before applying topcoat.
    • Previously Painted Surfaces
    • Precast
    • Surface must be in a sound condition.
    • Existing gloss finishes should be well sanded.
    • Remove all loose, flaking and bubbling paint.
    • Remove all dust, foreign material, fungal and algae growth.
    • Allow to dry.
    • Fill and seal all visible cracks with NEO Aurora Filler (ef00) or NEO Repair Paste (nrp07).
    • Apply one coat of NEO Bonding Liquid (ig00) to cover NEO Aurora Filler (ef00) or NEO Repair Paste (nrp07).
    • With brush or roller, apply a generous coat of NEO Universal Undercoat.
    • Allow to dry overnight before applying topcoat.
  7. Colour Range and Quantities

    • NEO Universal Undercoat is available in White only but other colours can be supplied in minimum batch quantities.
    • Available in 1 litre, 5 litres and 20 litres.
  8. Precautions

    • NEO Universal Undercoat contains no toxic substances.
    • The products is flammable and has a flash point of 37 degrees Celsius.
    • Only use in well ventilated areas and do not eat, drink or smoke whilst using the product.
  9. Disclaimer

    NEO Paints can not be held liable if the product fails due to improper surface preparation or application.